TY  - BOOK
AU  - Pani Balaram
AU  - Pani Balaram
TI  - Concepts in environmental studies
SN  - 9789390620456
CY  - New Delhi 
KW  - Biodiversity
KW  - Ecosystems
KW  - Environment
KW  - Human Population and environment
KW  - Natural Resourses
ER  -