000 00306nam a2200145Ia 4500
008 220615s9999 xx 000 0 und d
082 _bN.R
100 _aN.RAVINDRANATHAN
245 0 _aRESEARCH METHODOLOGY
250 _a1
260 _bAnn Books
260 _c2019
300 _a236
942 _cREF
999 _c68928
_d68928