Bongalos, Rhys Clarence S. Point-of-sale and inventory system of the coffee talk / Rhys Clarence S. Bongalos, Jaydon F. Taņamor. - x, 170 leaves : colored illustrations, graphs, tables, figures ; Includes bibliographical references. Subjects--Topical Terms: Sales invoicing.Inventory system. Dewey Class. No.: 658 UTH BS Tourism / B64