TY  - BOOK
AU  - Khoiyangbam, R S, ed.
TI  - Introduction to environmental sciences
U1  - 363.7 K528I 
PY  - 2020///
CY  - New Delhi
PB  - The Energy and Resources Institute
N1  - 4640 05/12/2022 IBC22/857 10/12/2022 Main Budget
ER  -