TY  - BOOK
AU  - Aggarwal, Surjo Prakash
AU  - Mukhopadhyay, A
TI  - প্রশ্নোত্তরে পরিবেশ বিদ্যা
U1  - 375.083 
PY  - 2003///
CY  - Kolkata
PB  - Book India
KW  - Environmental Studies
KW  - Environmental science
KW  - Environment
KW  - Ecology
N1  - Includes previous year's University question papers
ER  -