TY  - BOOK
AU  - Park, J. E.
AU  - Park, J. E. 
AU  -  Park, K.
TI  - Textbook of preventive and social medicine
SN  - 81-900118-6-3
U1  - 614 
PY  - 1995///
CY  - Jabalpur
PB  - Motilal Banarsidas
ER  -