000 00276nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aSavitri Sinha/ Vijendra Sanatak
245 0 _aAnusandhaan ki prakriya
260 _aDelhi
_bNatinal Pub House
650 _aHindi
942 _cBK
999 _c1364
_d1364