000 00264nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aGupta, Sanjay Kumar M
245 0 _aResearch Methodology
260 _aNew Delhi
_bA.P.H.
_c2014
300 _a158p.
942 _cBK
999 _c15700
_d15700