1. Encyclopaedia of environmental sciences
Author: / P R Trivedi, Gurdeep Raj.
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject:
2. Encyclopaedian of environmental sciences
Author: / P.R.Trivedi, Gurdeep Raj
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject: محیط زیست -- حفاظت,آلودگی -- کنترل
Classification :
TD
۱۷۰
/
ت
۴
ال
ف
۸ ۱۳۷۶
3. Environmental biology
Author: edited by P. R. Trivedi, Gurdeep Raj
Library: Central Library and Documentation Center (Kerman)
Subject: ، Biology,، Ecology
Classification :
QH
308
.
2
.
E5
1991
4. Environmental biology
Author: edited by P.R. Trivedi , Gurdeep Raj
Library: Library of Graduate Faculty of Environment of Tehran Univerdity (Tehran)
Subject: Biology,Environment
Classification :
QH
308
.
2
.
E59
1998
5. Nuclear and thermal pollutions
Author: edited by P.R. Trivedi and Gurdeep Raj
Library: Central Library and Documents Center of Industrial University of Khaje Nasiredin Toosi (Tehran)
Subject: ، Radioactive pollution,، Thermal pollution of rivers, lakes, etc
Classification :
TD
196
.
R3N8
1992
6. Water pollution
Author: edited by: P.R.Trivedi & Gurdeep Raj
Library: Library of Graduate Faculty of Environment of Tehran Univerdity (Tehran)
Subject: Water - pollution - India,Waste products - India,Water quality management - India
Classification :
TD
424
.
14
.
I4W37
2005
