000
00302nam a22001337a 4500
020
_a
9788190607995
082
_a
614.4
_b
P21p
100
_a
K. Park
245
_a
Park's Textbook Of Preventive And Social Medicine
250
_a
27th
260
_a
New Delhi
_b
Bhanot
_c
2023
300
_a
1048
942
_c
BK
999
_c
6828
_d
6827