TY  - BOOK
AU  - Gupta, R.
TI  - CBSE UGC NET: environmental sciences paper II and II
SN  - 9788178127224(pbk.)
U1  - 333.7 23
PY  - 2017///
CY  - New Delhi
PB  - Ramesh Publishing House
KW  - Environmental Science
ER  -