Roberto, Ned The marketer's guide to socio-economic classification of consumers insights and challenges of target marketing in the Philippines using SEC indicators / Ned Roberto - Makati : Asian Institute of Management, 2002. - 112 pages: Illustrations; 21 cm. ISBN: 9716790627 Subjects--Topical Terms: Market surveys--Philippines. Consumption (Economics)--Surveys.Consumers--Philippines.--Research LC Class. No.: HD8039.C66 / R6 2002