00313nam a2200121Ia 4500008004100000020001500041041001200056100001600068245005900084260002500143300000800168650001500176221030s9999    xx            000 0 und d  a8178664143  aEnglish  aS. L. Gupta 0aCases & Problems in Marketing Researchcby S. L. Gupta  bHPHaNew Delhic2011  a117  aCase Study