00222nam a22000857a 4500082001000000100003100010245002900041260005800070300000800128  a658.8  aGUPTA SL , MURALIKRISHNA B  aRETAIL MARKETING AND CRM  aCOIMBATOREbEXCEL BOOKS (BHARATHIYAR UNIVERSITYc2013  a246