Zainuddin Zakaria Tip menawan hati pelanggan Zainuddin Zakaria & Ziadatul Hidayah Zakaria - viiii, 166 pages illustrations 23 cm Includes index and bibliographical references : p161-162 ISBN: 9789833586219 Subjects--Topical Terms: Customer relationsCustomer services Dewey Class. No.: 658.812 ZAI