TY  - BOOK
AU  - Khoiyangbam, R S, ed.
TI  - Introduction to environmental sciences
U1  - 363.7 K528I 
PY  - 2017///
CY  - New Delhi
PB  - Teri Press
N1  - 2785 21/07/2017 RBP17/66682 26/07/2017 Main Budget
ER  -