楊永鈺

七個環保綠點子 : 簡簡單單創造綠色新生活 by: Ryan, John C.; 楊永鈺; 賴安 ((Ryan, John C.)) (Language materials, printed) , [譯]

不可思議的消費鏈 : 日常生活的環保神秘殺手 by: Durning, Alan Thein; Ryan, John C.; 楊永鈺; 賴安 ((Ryan, John C.)); 鄧寧 ((Durning, Alan Thein)) (Language materials, printed) , [譯]

種子的信仰 by: Thoreau, Henry D.; 楊永鈺; 索羅 ((Thoreau, Henry D.)); 金恒鑣 (Language materials, printed) , [譯]

貓掌與彈弓 : 當自然設計遇上人類科技 by: Vogel, Steven; 伏格爾 ((Vogel, Steven)); 楊永鈺 (Language materials, printed) , [譯]