Non Peer-reviewed Article December 2011 December 2011 第59話 省エネ・汚染物質排出削減の具体案固まる In 資源環境対策 Author: Hideaki KOYANAGI
Non Peer-reviewed Article December 2011 December 2011 不都合な情報 In Global Net 12月号253号 Author: Hideaki KOYANAGI
Non Peer-reviewed Article December 2011 December 2011 中国の水環境および下水処理場の現況について In JOURNAL of ENVIRONMENTAL CONSERVATION ENGINEERING / 環境技術 Author: Motoyuki Mizuochi Hideaki KOYANAGI Tetsuo KUYAMA
Non Peer-reviewed Article November 2011 November 2011 第58話 2011年秋も東奔西走の毎日 In 資源環境対策 Author: Hideaki KOYANAGI
Non Peer-reviewed Article November 2011 November 2011 中国発:第12次5カ年計画下の重要環境政策文書出揃う In EIC NET Author: Hideaki KOYANAGI
Non Peer-reviewed Article October 2011 October 2011 第57話 再び日中環境ビジネス In 資源環境対策 Author: Hideaki KOYANAGI
Non Peer-reviewed Article September 2011 September 2011 第56話 東奔西走に鉄道は使いません! In 資源環境対策 Author: Hideaki KOYANAGI