000 00300nam a2200121Ia 4500
008 220405s2017 xx 000 0 und d
041 _aeng
082 _a658.15
100 _aSingh, S.P.
_9291019
245 _aMarketing Research
260 _aNew Delhi
_b Wisdom Publications
_c2017
300 _a648p
999 _c260527
_d260527