Llanes, Violeta A. Marketing : principles and practice / Violeta A. Llanes., Teodoro M. Jurado. - Quezon City : Katha Publishing Co., Inc., 1982 - xi, 335 pages : 22 centimeter. ISBN: 971150037 Subjects--Topical Terms: Marketing. Dewey Class. No.: FIL 658.8 L77m 1982