1. Environmental issues in the 1990
Author: edited by A. M. Mannion and S. R. Bowlby
Library: (Semnan)
Subject: ، Human ecology,، Environmental protection,، Economic development - Environmental aspects
Classification :
GF
41
.
E59
2. Environmental issues in the 1990
Author:
Library: Central library of medical university of Isfahan (Esfahan)
Subject: Human ecology,Ennvironmental protection,Economic development- Environmental aspects
Classification :
GF41
.
E5
1992
3. Environmental issues in the 1990s
Author: edited by A.M. Mannion and S.R. Bowlby
Library: Library of College of Science University of Tehran (Tehran)
Subject: ، Human ecology,، Environmental protection,Environmental aspects ، Economic development
Classification :
GF
41
.
E53
1992
4. The global environment : securing a sustainable future
Author: Penelope ReVelle, Charles ReVelle
Library: Library of Institute of Geophysics University of Tehran (Tehran)
Subject: Pollution - Environmental aspects,Environmental protection,Human ecology,Natural resources - Management,Economic development,Sustainable development
Classification :
TD
174
.
R52
