The World environment 1972-1992 two decades of challenge

書目詳細資料
企業作者:	United Nations Environment Programme
其他作者:	El-Kholy, O. A., Tolba, Mostafa Kamal
格式:	圖書
語言:	英语
出版:	London Published by Chapman & Hall on behalf of the United Nations Environment Programme c1992.
版:	1st ed.
主題:	Environmental policy. Environmental protection.