TY  - BOOK
AU  - Bhargava, Gopal
TI  - Environmental challenges and ecological disaster: : (global perspective)
SN  - 8170993954
U1  - 363.7 
PY  - 1992///
CY  - New Delhi
PB  - ; Mittal Publications
KW  - Environmental Challenges
KW  - Environmental Studies
ER  -