000 00261nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSharma, P.K.
245 0 _aResearch Methodology
260 _aNew Delhi
_bEntial Books
_c2010
300 _a292p.
942 _cBK
999 _c12133
_d12133