00421nam a2200145Ia 4500003000400000008004100004040001600045082001600061100002500077245006800102260004000170300001000210650003000220650002500250GCL140319s9999    xx            000 0 eng d  aGCL / cGCL04a658.83bG T1 aGREENBAUM, THOMAS L.10aThe Hond book for Focus Group Resesch. / cGREENBAUM, THOMAS L.  a[S.N] : bLEXINGTON BOOKS ، c1993  a222 P04aFOCUSED GROUP INTRVIEMING04aMARKETING - RESEARCH