TY  - BOOK
AU  - Kumar, M Surendra & Kumar, Virendra
TI  - Environmental sciences
SN  - 9789387483217
U1  - 333.7 KUM E 
PY  - 2021///
CY  - Lucknow 
PB  - Thakur Publication
KW  - Pharma
KW  - B6014
ER  -