TY  - BOOK
AU  - Sarkar, S
AU  - Kumar, Arvind
TI  - A Textbook of Environmental Science
SN  - 9350567539
SN  - 978-93505
U1  - 628SAR 
PY  - 2014///
CY  - New Delhi
PB  - APH Publishing
KW  - Environmental sciences
KW  - Human ecology
KW  - Biodiversity
ER  -