Textbook of Environmental Studies
Asthana, D. K Asthana, Meera
creator
text
Economics
Economics of land & energy
Energy Resource
Bio Diversity
D K Asthana; Meera Asthana
and Textbook of environmental studies
xxu
New Delhi
: S Chand
2006
monographic
eng
xvii, 460p. 24cm.
/ D K Asthana & Meera Asthana
333.7 AST
9788121927642
:Donated by Jyoti Kr. Sharma
160825
20160825120556.0