TY  - BOOK
AU  - Singh,B.B. 
AU  - Pandey, Ravindra
TI  - R.Gupta's UGC NET/SET environmental sciences paper ll & lll
SN  - 9788178127224
U1  - 363.7 
PY  - 2013///
CY  - New Delhi
PB  - Ramesh Publishing House
ER  -