Zainuddin Zakaria Tip menawan hati pelanggan / Zainuddin Zakaria, Ziadatul Hidayah Zakaria - Kuala Lumpur : PTS Professional Publishing, 2008 - xiv, 166 p. ; 23 cm. Rujukan : p. [161]-162 ISBN: 9789833586219 RM19.00 Subjects--Topical Terms: Customer servicesConsumer satisfaction