000 00340nam a2200133Ia 4500
005 20240713145242.0
008 240712s9999 xx 000 0 und d
020 _a9788193418222
041 _aeng
100 _aSingh, Krishan ku.
245 _aResearch methodology insacial sciences
260 _aDelhi
_b Vrinda pra.
_c2018
300 _a286
999 _c23592
_d23592