000 00270cam a2200121ua 4500
082 1 4 _a658.83
_bGUP/M
100 1 _aGupta, S L .
245 1 0 _aMarketing research /
260 _aDelhi :
_bExcel Books ,
_c1979.
300 _a297p ;
650 0 _aMarketing
942 _cBK
999 _c69425
_d69425