000 00283 a2200121 4500
000 nam a22 7a 4500
005 20260105155652.0
020 _a9788171692224
100 _aPL Dhar, RR Gaur,
245 _aScience and Humanism
260 _bCommonwealth Publishers
942 _cBK
999 _c121181
_d121181