000 00372nam a2200145Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aDelens, A H R
245 0 _aPrinciples of market research
250 _aN.d.
260 _bB I PUBLICATIONS
_aBombay
_c1964
300 _a254p p.
653 _aEconomics
942 _c1
999 _c100462
_d100462