00330nam a2200121 a 450000500170000002000180001708200170003510000200005224500570007226000340012930000260016350000190018920251203111948.0  a9788120339835  a658.812bBIS  aBiswas, Supriya  aRelationship marketingbconcepts, theories and cases  aNew DelhibPHI Learningc2011  axvii,406p.c24cm.bPB  aincludes index