TY - BOOK ED - National Co-operative Council of Sri Lanka TI - Samupakarika Paribhogika Sathkaraya SN - not given U1 - 334.09493 PY - 2018/// CY - Sri Lanka PB - National Co-operative Council of Sri Lanka & WEEFFECT KW - History of Marketing KW - Customer Loyalty KW - Retail KW - Customer Service KW - Service Excellence KW - Customer Behavior KW - Service Marketing N1 - Include references ER -