TY  - BOOK
AU  - Singh, B. B. / Pandey, Ravindra
TI  - Ugc Net / Set Environmental Sciences Paper 2 & 3
SN  - 978-81-7812-722-4
U1  - 910.0923 
CY  - N. Delhi
PB  - Ramesh Publishing House
KW  - Environmental Science
N1  - 413
ER  -