1. Environmental and natural resource mathematics
Author:
Library: Central Library of Sharif University of Technology (Tehran)
Subject: ، Environmental policy-- Mathematics-- Congresses,، Environmental protection-- Mathematics-- Congresses,، Natural resources-- Management-- Mathematics-- Congresses
Classification :
HC
79
.
E5
.
E575
1985
2. Resources : Environment And policy
Author: John Frenie and Alan S . Pitkethly
Library: Library of Graduate Faculty of Environment of Tehran Univerdity (Tehran)
Subject: Natural resources _ Management,Environmental policy,Environmental protection
Classification :
HC
59
.
F448
1986
3. United Nations Conference on Environment & Development Rio de Janerio, Brazil, 3 to 14 June 1992
Author: united nation sustainable development
Library: Library of Faculty of Social Sciences of Tehran University (Tehran)
Subject: Environmental policy--United States.,Environmental protection--United States.,Natural resources--Management.--United States,Economic development--Environmental aspects.,Environmental law--United States.
Classification :
Ebook
HC
110
.
E5
U63
1992