000 00304nam a2200121Ia 4500
008 221001s1967 xx 000 0 eng d
082 _a658.83 DEL
100 _aDelens, A. H. R.
245 0 _aPrinciples of market research
260 _aLondon
_bCrosby Lockwood
_c1967
300 _a254p.
942 _2ddc
_cBK
999 _c5771
_d5771