000 00314nam a2200133Ia 4500
005 20260205045229.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a613 B39H
100 _aBedi,Yash Pal
245 0 _aHygiene and public health
260 _aA&R
_bAnand pub.
_c1967
300 _a519p.
942 _cBK
999 _c72154
_d72154