TY  - GEN
AU  - Park, K.
TI  - Park's textbook of preventive and social medicine 
SN  - 9789382219156
PY  - 2021///
CY  - Jabalpur
PB  - M/s Banarsidas  Bhanot
KW  -  Medicine, Preventive.
KW  - Social medicine
ER  -