000
00261nam a2200109Ia 4500
100
_a
Ghosh, R.N.
942
_c
BK
245
_a
Manual of prevntive and social medicine
260
_a
Vijaya Publishing House, Calcutta
_c
1980
082
_a
614 Gho
300
_a
x, 632
999
_c
64882
_d
64882