000 00307nam a2200133Ia 4500
008 211214s9999 xx 000 0 und d
020 _a9788189547561
100 _aSingh S P
245 _aMarketing Research
250 _a1st
260 _aDelhi
_bWisdom Pub.
_c2009
300 _axviii+944
942 _cBK
999 _c132161
_d132161