Pollution prevention and abatement handbook 1998: towaard cleaner production

بواسطة United nations environment programme
منشور في 1999

Global environmental outlook 3: Past, present and future prespectives

بواسطة United Nations Environment Programme
منشور في 2002

World Resources, 1994-95: A report by The World Resources Institute in collaboration with The United Nations Environment Programme and The United Nations Development Programme

بواسطة World Resources Institute in collaboration with The United Nations Environment Programme and The United Nations Development Programme
منشور في 1995

UNESCO Reports & Studies