TY  - BOOK
AU  - Joshi, P. C.
AU  - Joshi, Namita
TI  - A Textbook of Ecology and Environment: Based on UGC Syllabus
SN  - 9788183183222
U1  - 333.7 
PY  - 2005///
CY  - Delhi
PB  - Himalaya Publishing House
ER  -