1. United Nations Conference on Environment & Development Rio de Janerio, Brazil, 3 to 14 June 1992
پدیدآورنده : united nation sustainable development
کتابخانه: Library of Faculty of Social Sciences of Tehran University (Tehran)
موضوع : Environmental policy--United States.,Environmental protection--United States.,Natural resources--Management.--United States,Economic development--Environmental aspects.,Environmental law--United States.
رده :
Ebook
HC
110
.
E5
U63
1992
