Researcher Database

ITO Tsukasa
Department of Environmental Engineering Science
Associate Professor
Last Updated :2025/03/27

Researcher Profile and Settings

Researcher

  • Name

    ITO Tsukasa

Affiliation

  • Department of Environmental Engineering Science, Associate Professor

Profile and Settings

  • Name

    Tsukasa, Ito

ホームページ

  • URI

    https://sites.google.com/gunma-u.ac.jp/water-environ-microbe

Foreign language

  • Use in presentation

    English
  • Use in publication

    English

Affiliation

  • Gunma University, Associate Professor

Affiliation

  • Affiliation

    Graduate School of Science and Technology
  • Job title

    Associate Professor

Degree

  • Ph.D

Association Memberships

  • International Water Association
  • American Society for Microbiology

Research Experience

  • 2001, 2002
  • 2002, 2006
  • 2006, Gunma University, Associate Professor

Research Activities

Research Areas

  • Environmental science/Agricultural science, Recycling systems and society
  • Environmental science/Agricultural science, Environmental load reduction/restoration technology
  • Social infrastructure (civil Engineering, architecture, disaster prevention), Civil engineering (environmental systems)

Research Interests

  • Water Environments
  • Microbial Ecology
  • biofilm
  • Microbubble
  • Water / Wastewater Treatment
  • Environmental Technology
  • Environmental Engineering

Published Papers

  • A minority population of non-dye-decolorizing Bacillus subtilis enhances the azo dye-decolorization activity of Enterococcus faecalis., Yamanashi Y & Ito T, 2022, Microbes and Environments, 37, 2
  • 水処理システムの微生物群の全容を診る解析技術の進展, 寺田昭彦, 堀知行, 久保田健吾, 栗栖太, 春日郁朗, 金田一智規, 伊藤司, 2022, 45, 3, 91, 105
  • Microbial communities and nitrogen-utilizing bacteria of rotating biological contactors and activated sludge treating public sewage and night soil/johkasou sludge, Tsukasa Ito, Yu Yamanashi, Naoki Noguchi, Naoki Miyazato, Toru Aoi, 2021, Journal of Water and Environment Technology, 19, 3
  • The diversity of active microbial groups in an activated sludge process treating painting process wastewater, Ariesyady HD, Mayanda MR, Ito T, 2020, E3S Web of Conferences, 148, 01002
  • Microbubble application to enhance hydrogenotrophic denitrification for groundwater treatment, Eamrat R, Tsutumi Y, Kamei T, Khanichaidecha W, Ito T, Kazama F., 2020, Environment and Natural Resources Journal, 18, 2, 156, 165
  • Diversity and abundance of denitrifying bacteria in a simultaneously nitrifying and denitrifying rotating biological contactor treating real wastewater at low temperatures., Ito T,Aoi T,Miyazato N,Hatamoto M,Fuchigami S,Yamaguchi T,Watanabe Y, Mar. 2019, H2Open Journal, 2, 1, 58, 70
  • Potential use of bacteria collected from human hands for textile dye decolorization, Tsukasa Ito,Yosuke Shimada,Tsubasa Suto, Dec. 2018, Water Resources and Industry, 20, 46, 53, Scientific journal
  • Growth reduction of Microcystis aeruginosa by clay ball elution solution, Ito Tsukasa,Okabe Katsuyuki,Mori Masanobu, 15 Sep. 2018, APPLIED CLAY SCIENCE, 162, 223, 229
  • 菌叢解析再訪―― 変遷と展望 ――, 伊藤 司,金田一 智規,押木 守,岡部 聡, 2018, 22, 4
  • Microbial Community Structure and Enumeration of Bacillus species in Activated Sludge, Masashi Hatamoto,Tomoyo Kaneko,Yuya Takimoto,Tsukasa Ito,Naoki Miyazato,Shinya Maki,Takashi Yamaguchi,Toru Aoi, 2017, Journal of Water and Environment Technology, 15, 6, 233, 240
  • Long-term natural remediation process in textile dye-polluted river sediment driven by bacterial community changes, Tsukasa Ito,Yusuke Adachi,Yu Yamanashi,Yosulce Shimada, 17 May 2016, WATER RESEARCH, 100, 458, 465, Scientific journal
  • Suppression of cadmium uptake in rice using fermented bark as a soil amendment., Mori Masanobu;Kotaki Kenta;Gunji Fumine;Kubo Naoyuki;Kobayashi Shizusa;Ito Tsukasa;Itabashi Hideyuki, 04 Feb. 2016, Chemosphere, 148
  • 微生物生態と水環境工学に関する最新研究動向, 栗栖太,伊藤司,青井議輝,久保田健吾,佐藤弘泰,金田一智規,井上謙吾,寺田昭彦,微生物生態と水環境工学研究委, 2016, 39, 12, 444, 451
  • Development and characterization of the partial nitrification aerobic granules in a sequencing batch airlift reactor, Yanjun Song,Satoshi Ishii,Lashitha Rathnayake,Tsukasa Ito,Hisashi Satoh,Satoshi Okabe, Jul. 2013, BIORESOURCE TECHNOLOGY, 139, 285, 291, Scientific journal
  • Photodecomposition of humic acid and natural organic matter in swamp water using a TiO2-coated ceramic foam filter: Potential for the formation of disinfection byproducts, Masanobu Mori,Tsuyoshi Sugita,Akinori Mase,Takahiro Funatogawa,Masaru Kikuchi,Kazuhiko Aizawa,Shigekazu Kato,Yoichi Saito,Tsukasa Ito,Hideyuki Itabashi, Jan. 2013, CHEMOSPHERE, 90, 4, 1359, 1365, Scientific journal
  • Color removal by microorganisms isolated from human hands., Ito, Tsukasa, 2013, Journal of Microbiology & Biology Education, 14, 244, 247
  • Identification and quantification of key microbial trophic groups of methanogenic glucose degradation in an anaerobic digester sludge, Tsukasa Ito,Kazumi Yoshiguchi,Herto Dwi Ariesyady,Satoshi Okabe, Nov. 2012, BIORESOURCE TECHNOLOGY, 123, 599, 607, Scientific journal
  • Characterization of microbial community structures and their activities in single anaerobic granules by beta imaging, microsensors and fluorescence in situ hybridization, H. Satoh,I. Tsushima,Y. Miura,T. Ito,S. Okabe, 2012, WATER SCIENCE AND TECHNOLOGY, 65, 12, 2125, 2131, Scientific journal
  • 穏やかに培養して高活性化させる微細気泡発生装置MiBosバイオリアクターの開発, 伊藤司, 2012, 123, 599, 607
  • Ecophysiology of Uncultured Filamentous Anaerobes Belonging to the Phylum KSB3 That Cause Bulking in Methanogenic Granular Sludge, Takeshi Yamada,Kae Kikuchi,Toshihiro Yamauchi,Koji Shiraishi,Tsukasa Ito,Satoshi Okabe,Akira Hiraishi,Akiyoshi Ohashi,Hideki Harada,Yoichi Kamagata,Kazunori Nakamura,Yuji Sekiguchi, Mar. 2011, APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 77, 6, 2081, 2087, Scientific journal
  • 難分解性着色物質の生物学的脱色促進条件に関する検討, 伊藤司,武関公世,湯本将大, 2011, 67, 7, Ⅲ661-Ⅲ668.
  • Identification of a novel acetate-utilizing bacterium belonging to Synergistes group 4 in anaerobic digester sludge., Tsukasa Ito, Kazumi Yoshiguchi, Herto Dwi Ariesyady, Satoshi Okabe, 2011, The ISME Journal, 5, 12, 1837, 1849
  • 生物由来カルシウム系セラミックス担体のカルシウムの溶脱及びアンモニア・リンの吸着に関する評価, 森勝伸,原知里,黒須東,杉田剛,中谷暢丈,小崎大輔,田中一彦,松本富美雄,伊藤司,板橋英之, 2011
  • Microbial community structures and in situ sulfate-reducing and sulfur-oxidizing activities in biofilms developed on mortar specimens in a corroded sewer system, Hisashi Satoh,Mitsunori Odagiri,Tsukasa Ito,Satoshi Okabe, Oct. 2009, WATER RESEARCH, 43, 18, 4729, 4739, Scientific journal
  • Phylogenetic and functional diversity of propionate-oxidizing bacteria in an anaerobic digester sludge, Herto Dwi Ariesyady,Tsukasa Ito,Kazurni Yoshiguchi,Satoshi Okabe, Jun. 2007, APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, 75, 3, 673, 683, Scientific journal
  • Functional bacterial and archaeal community structures of major trophic groups in a full-scale anaerobic sludge digester, Herto Dwi Ariesyady,Tsukasa Ito,Satoshi Okabe, Apr. 2007, WATER RESEARCH, 41, 7, 1554, 1568, Scientific journal
  • Quantification of host-specific Bacteroides-Prevotella 16S rRNA genetic markers for assessment of fecal pollution in freshwater, Satoshi Okabe,Noriko Okayama,Olga Savichtcheva,Tsukasa Ito, Mar. 2007, APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, 74, 4, 890, 901, Scientific journal
  • Bacterial community structures in MBRs treating municipal wastewater: Relationship between community stability and reactor performance, Yuki Miura,Mirian Noriko Hiraiwa,Tsukasa Ito,Takanori Itonaga,Yoshimasa Watanabe,Satoshi Okabe, Feb. 2007, WATER RESEARCH, 41, 3, 627, 637, Scientific journal
  • Succession of sulfur-oxidizing bacteria in the microbial community on corroding concrete in sewer systems, Satoshi Okabe,Mitsunori Odagiri,Tsukasa Ito,Hisashi Satoh, Feb. 2007, APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 73, 3, 971, 980, Scientific journal
  • Bacterial community structures in MBRs treating municipal wastewater: Relationship between community stability and reactor performance, Miura, Yuki;Hiraiwa, Mirian Noriko;Ito, Tsukasa;Itonaga, Takanori;Watanabe, Yoshimasa;Okabe, Satoshi, 2007, WATER RESEARCH, 41, 3, 627, 637
  • Population dynamics and in situ kinetics of nitrifying bacteria in autotrophic nitrifying biofilms as determined by real-time quantitative PCR, Tomonori Kindaichi,Yoshiko Kawano,Tsukasa Ito,Hisashi Satoh,Satoshi Okabe, Aug. 2006, BIOTECHNOLOGY AND BIOENGINEERING, 94, 6, 1111, 1121, Scientific journal
  • Community structures and activities of nitrifying and denitrifying bacteria in industrial wastewater-treating biofilms, H Satoh,T Yamakawa,T Kindaichi,T Ito,S Okabe, Jul. 2006, BIOTECHNOLOGY AND BIOENGINEERING, 94, 4, 762, 772, Scientific journal
  • Application of a direct fluorescence-based live/dead staining combined with fluorescence in situ hybridization for assessment of survival rate of Bacteroides spp. in drinking water, O Savichtcheva,N Okayama,T Ito,S Okabe, Nov. 2005, BIOTECHNOLOGY AND BIOENGINEERING, 92, 3, 356, 363, Scientific journal
  • Fate of C-14-labeled microbial products derived from nitrifying bacteria in autotrophic nitrifying biofilms, S Okabe,T Kindaichi,T Ito, Jul. 2005, APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 71, 7, 3987, 3994, Scientific journal
  • Thiovirga sulfuroxydans gen. nov., sp nov., a chemolithoautotrophic sulfur-oxidizing bacterium isolated from a microaerobic waste-water biofilm, T Ito,K Sugita,Yumoto\, I,Y Nodasaka,S Okabe, May 2005, INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, 55, 1059, 1064, Scientific journal
  • Succession of internal sulfur cycles and sulfur-oxidizing bacterial communities in microaerophilic wastewater biofilms, S Okabe,T Ito,K Sugita,H Satoh, May 2005, APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 71, 5, 2520, 2529, Scientific journal
  • Eco-physiology of autotrophic nitrifying biofilms, S Okabe,T Kindaichi,Y Nakamura,T Ito, 2005, WATER SCIENCE AND TECHNOLOGY, 52, 7, 225, 232, Scientific journal
  • Successional development of internal sulfur cycle and sulfur-oxidizing bacterial community in a microaerophilic wastewater biofilm, Okabe S,Ito T,Sugita K,Satoh H, 2005, Applied and Environmental Microbiology, 71, 2520, 2529
  • Isolation, characterization, and in situ detection of a novel chemolithoautotrophic sulfur-oxidizing bacterium in wastewater biofilms growing under microaerophilic conditions, T Ito,K Sugita,S Okabe, May 2004, APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 70, 5, 3122, 3129, Scientific journal
  • Ecophysiological interaction between nitrifying bacteria and heterotrophic bacteria in autotrophic nitrifying biofilms as determined by microautoradiography-fluorescence in situ hybridization, T Kindaichi,T Ito,S Okabe, Mar. 2004, APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 70, 3, 1641, 1650, Scientific journal
  • Analysis of size distribution and areal cell density of ammonia-oxidizing bacterial microcolonies in relation to substrate microprofiles in biofilms, S Okabe,T Kindaichi,T Ito,H Satoh, Jan. 2004, BIOTECHNOLOGY AND BIOENGINEERING, 85, 1, 86, 95, Scientific journal
  • Real-Time PCR を用いた生物膜内における硝化細菌のポピュレーションダイナミックス, 金田一智規,河野快子,伊藤司,岡部聡, 2004, 41, 321, 330
  • MAR-FISH an ecophysiological approach to link phylogenetic affiliation and in situ metabolic activity of microorganisms at a single-cell resolution, Okabe S,Kindaichi T,Ito T, 2004, Microbes and Environments, 19, 83, 98
  • Analysis of microbial community structure and in situ activity of nitrifying biofilms, Okabe S,Satoh H,Ito T,Watanabe Y, 2004, Journal of Water and Environment Technology, 2, 2, 65, 74
  • Sulfate-reducing bacterial community structure and their contribution to carbon mineralization in a wastewater biofilm growing under microaerophilic conditions, S Okabe,T Ito,H Satoh, Dec. 2003, APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, 63, 3, 322, 334, Scientific journal
  • Effect of nitrite and nitrate on biogenic sulfide production in sewer biofilms determined by the use of microelectrodes, S Okabe,T Ito,H Satoh,Y Watanabe, 2003, WATER SCIENCE AND TECHNOLOGY, 47, 11, 281, 288, Scientific journal
  • バイオフィルム内における硫黄循環と関連微生物群集構造の解析, 岡部聡,伊藤司,佐藤久, 2003, 35, 54, 63
  • 16SrDNA 解析によるアンモニア酸化細菌の多様性評価, 金田一智規,伊藤司,岡部聡,渡辺義公, 2003, 40, 71, 79
  • Successional development of sulfate-reducing bacterial populations and their activities in a wastewater biofilm growing under microaerophilic conditions, T Ito,S Okabe,H Satoh,Y Watanabe, Mar. 2002, APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 68, 3, 1392, 1402, Scientific journal
  • Phylogenetic identification and substrate uptake patterns of sulfate-reducing bacteria inhabiting an oxic-anoxic sewer biofilm determined by combining microautoradiography and fluorescent in situ hybridization, T Ito,JL Nielsen,S Okabe,Y Watanabe,PH Nielsen, Jan. 2002, APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 68, 1, 356, 364, Scientific journal
  • Phylogenetic identification and substrate uptake patterns of sulfate-reducing bacteria inhabiting an oxic-anoxic sewer biofilm determined by combining microautoradiography and fluorescent in situ hybridization, T Ito,JL Nielsen,S Okabe,Y Watanabe,PH Nielsen, Jan. 2002, APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 68, 1, 356, 364, Scientific journal
  • 微好気性生物膜内における硫酸塩還元細菌の空間分布と硫黄の挙動解析, 岡部聡,伊藤司,佐藤久, 2002, 44, 961, 970
  • Analyses of spatial distributions of sulfate-reducing bacteria and their activity in aerobic wastewater biofilms, S Okabe,T Itoh,H Satoh,Y Watanabe, Nov. 1999, APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 65, 11, 5107, 5116, Scientific journal
  • Microbial ecology of sulfate-reducing bacteria in wastewater biofilms analyzed by microelectrodes and fish (fluorescent in situ hybridization) technique, S Okabe,H Satoh,T Itoh,Y Watanabe, 1999, WATER SCIENCE AND TECHNOLOGY, 39, 7, 41, 47, Scientific journal
  • 微小電極を用いた微好気性生物膜内の硫酸塩還元反応の測定, 佐藤久,岡部聡,伊藤司,渡辺義公, 1998, 21, 367, 375
  • Succession of sulfur-oxidizing bacteria in the microbial community on corroding concrete in sewer systems, Okabe, Satoshi;Odagiri, Mitsunori;Ito, Tsukasa;Satoh, Hisashi, 2007, APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 73, 3, 971, 980
  • Quantification of host-specific Bacteroides-Prevotella 16S rRNA genetic markers for assessment of fecal pollution in freshwater, Okabe, Satoshi;Okayama, Noriko;Savichtcheva, Olga;Ito, Tsukasa, 2007, APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, 74, 4, 890, 901
  • Functional bacterial and archaeal community structures of major trophic groups in a full-scale anaerobic sludge digester, Ariesyady, Herto Dwi;Ito, Tsukasa;Okabe, Satoshi, 2007, WATER RESEARCH, 41, 7, 1554, 1568
  • Phylogenetic and functional diversity of propionate-oxidizing bacteria in an anaerobic digester sludge, Ariesyady, Herto Dwi;Ito, Tsukasa;Yoshiguchi, Kazurni;Okabe, Satoshi, 2007, APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, 75, 3, 673, 683
  • Microbial community structures and in situ sulfate-reducing and sulfur-oxidizing activities in biofilms developed on mortar specimens in a corroded sewer system, Satoh, Hisashi;Odagiri, Mitsunori;Ito, Tsukasa;Okabe, Satoshi, 2009, WATER RESEARCH, 43, 18, 4729, 4739
  • Ecophysiology of Uncultured Filamentous Anaerobes Belonging to the Phylum KSB3 That Cause Bulking in Methanogenic Granular Sludge, Yamada, Takeshi;Kikuchi, Kae;Yamauchi, Toshihiro;Shiraishi, Koji;Ito, Tsukasa;Okabe, Satoshi;Hiraishi, Akira;Ohashi, Akiyoshi;Harada, Hideki;Kamagata, Yoichi;Nakamura, Kazunori;Sekiguchi, Yuji, 2011, APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 77, 6, 2081, 2087
  • Identification of a novel acetate-utilizing bacterium belonging to Synergistes group 4 in anaerobic digester sludge, Ito, Tsukasa;Yoshiguchi, Kazumi;Ariesyady, Herto Dwi;Okabe, Satoshi, 2011, ISME JOURNAL, 5, 12, 1844, 1856
  • Identification and quantification of key microbial trophic groups of methanogenic glucose degradation in an anaerobic digester sludge, Ito, Tsukasa;Yoshiguchi, Kazumi;Ariesyady, Herto Dwi;Okabe, Satoshi, 2012, BIORESOURCE TECHNOLOGY, 123, 599, 607
  • Photodecomposition of humic acid and natural organic matter in swamp water using a TiO2-coated ceramic foam filter: Potential for the formation of disinfection byproducts, Mori, Masanobu;Sugita, Tsuyoshi;Mase, Akinori;Funatogawa, Takahiro;Kikuchi, Masaru;Aizawa, Kazuhiko;Kato, Shigekazu;Saito, Yoichi;Ito, Tsukasa;Itabashi, Hideyuki, 2013, CHEMOSPHERE, 90, 4, 1359, 1365
  • Development and characterization of the partial nitrification aerobic granules in a sequencing batch airlift reactor, Song, Yanjun;Ishii, Satoshi;Rathnayake, Lashitha;Ito, Tsukasa;Satoh, Hisashi;Okabe, Satoshi, 2013, BIORESOURCE TECHNOLOGY, 139, 285, 291
  • 穏やかに培養して高活性化させる微細気泡発生装置MiBosバイオリアクターの開発(リサーチ最前線), 伊藤 司, 2012, Japanese Society of Microbial Ecology, 27, 2, 72, 74
  • Identification of a novel acetate-utilizing bacterium belonging to Synergistes group 4 in anaerobic digester sludge., Ito Tsukasa;Yoshiguchi Kazumi;Ariesyady Herto Dwi;Okabe Satoshi, 12 May 2011, The ISME journal, 5, 12
  • Photodecomposition of humic acid and natural organic matter in swamp water using a TiO(2)-coated ceramic foam filter: potential for the formation of disinfection byproducts., Mori Masanobu;Sugita Tsuyoshi;Mase Akinori;Funatogawa Takahiro;Kikuchi Masaru;Aizawa Kazuhiko;Kato Shigekazu;Saito Yoichi;Ito Tsukasa;Itabashi Hideyuki, 22 Aug. 2012, Chemosphere, 90, 4
  • Identification and quantification of key microbial trophic groups of methanogenic glucose degradation in an anaerobic digester sludge., Ito Tsukasa;Yoshiguchi Kazumi;Ariesyady Herto Dwi;Okabe Satoshi, 07 Aug. 2012, Bioresource technology, 123
  • A Minority Population of Non-dye-decolorizing Bacillus subtilis enhances the Azo Dye-decolorizing Activity of Enterococcus faecalis., Yamanashi Yu;Ito Tsukasa, Microbes and environments, 37, 2
  • A Minority Population of Non-dye-decolorizing Bacillus subtilis enhances the Azo Dye-decolorizing Activity of Enterococcus faecalis., Yamanashi Yu;Ito Tsukasa, Microbes and environments, 37, 2

Books etc

  • 微細気泡の最新技術 Vol.2 ~進展するマイクロ・ナノバブルの基礎研究と拡がる産業利用~, 2014

Industrial Property Rights

  • Patent right, 特願2013-025720, 特許第6108526号
  • Patent right, 特願2015-96234, 特許第6605229号
  • Patent right, 特願2016-66480

Social Contribution

Social Contribution

  • 人と環境と微生物の関わりの紹介(伊藤司研究室), Apr. 2014, 9999, Others (Target: Infants, Schoolchildren, Junior high school students, High school students, College students, Teachers, Guardians, General)
  • 人と環境と微生物の関わりの紹介(伊藤司研究室), 2014, 2019, Others
  • 人と環境と微生物の関わりの紹介(日本微生物生態学会教育研究部会), Nov. 2017, Nov. 2018, Others
  • 前橋市水道事業及び公共下水道事業運営審議会委員, 2021, 9999 (Target: Governmental agency)
  • 群馬東部水道企業団外部有識者, 2021, 2022 (Target: Governmental agency)
  • 桐生市環境審議会, 2020, 9999 (Target: Governmental agency)
  • 群馬県環境審議会, 2018, 9999 (Target: Governmental agency)
  • 群馬県環境審議会水質部会, 2018, 9999 (Target: Governmental agency)
  • 国土交通省関東地方ダム等管理フォローアップ委員会, 2019, 9999 (Target: Governmental agency)
  • 国土交通省利根川ダム統合管理事務所総合評価審査分科会, 2010, 9999 (Target: Governmental agency)
  • 国土交通省高崎河川国道事務所総合評価審査分科会, 2014, 9999 (Target: Governmental agency)
  • 国土交通省渡良瀬川河川事務所総合評価審査分科会, 2015, 9999 (Target: Governmental agency)
  • 富岡甘楽衛生施設総合評価審査委員会委員, 2019, 2021 (Target: Governmental agency)
  • 群馬県水道ビジョン策定委員会, 2018, 2020 (Target: Governmental agency)

Media Coverage

  • 上下水道のカーボンニュートラルへ 学識者の提言, 01 Jan. 2022, Paper
  • 東日本大震災の教訓と今後の期待(学識者寄稿), 05 Jul. 2021, Paper
  • 次代を担う学識者からの上下水道 未来への提言, 01 Jan. 2021, Paper


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