00288nam a2200121Ia 4500008004100000041000800041082001200049100001900061245002400080250001000104260004400114300000800158211209s1997 xx 000 0 und d aeng aTUL/HAW aTULL, DONALD S aMARKETING RESEARCH  a6 ed. aNEW DELHIbPRENTICE-HALL OF INDIAc1997 a611