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 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
