TY  - BOOK
AU  - Ghosh G.K.
TI  - Environmental and Development
SN  - 0000025552
U1  - 628.1 
PY  - 1994///
CY  - New Delhi
PB  - Ashish Publication House
KW  -  Environmental
KW  - Development
KW  - Water supply & sanitary Engg
ER  -