TY  - BOOK
AU  - Chadha, S.K
TI  - Echoes of Environment
U1  - 363.700954 
CY  - Bombay
PB  - Himalaya Publishing  House
KW  -  Social sciences 
KW  - Social problems and social services
KW  -  Other social problems and services 
KW  - Environmental problems 
ER  -