TY  - BOOK
AU  - Singh, Bibhesh K.
AU  - Tewari, Geeta
AU  - i. Kumari, Priti
TI  - A text book of environmental studies: as for UGC syllabus
SN  - 978-81-904341-4-0
U1  - 333.707 
PY  - 2008///
CY  - New Delhi
PB  - Jagdamba
KW  - 1. ENVIRONMENTAL STUDIES
ER  -