TY  - BOOK
AU  - BHATTACHARYYA (K G)
AU  - SARMA (Arunima)
TI  - Comprehensive environmental studies
SN  - 9788184873450
U1  - 574.5 BHAC 
PY  - 2015///
CY  - New Delhi
PB  - Narosa Publishing House
KW  - studies
KW  - environmental
KW  - Comprehensive
ER  -