TY - BOOK T1 - Power of relationship marketing : how to keep customers for life A1 - Cram, Tony. LA - English PP - London PB - Longman. YR - 1995 UL - http://discoverylib.upm.edu.my/discovery/Record/432867 OP - 254 CN - HF5415.5 C889 SN - 0273609076 KW - Customer relations. KW - Marketing. KW - Consumer satisfaction. KW - Customer service. ER -