00254nam a2200109 a 450000500170000000800410001704100080005810000160006624500380008226400160012030000080013620260717091958.0260717s2004    ii            000 0 eng d  aeng1 aBeri, G. S.10aMarketing Research /cBeri, G. S. 1bTMH,c2004.  a474