Calica, James Cher Anne S. Effects of online selling towards buying preference of young professional in Marikina City / Calica, James Cher Anne S. - Marikina City: OLOPSC, c2014 - vi, 28pages; color illustration; 28cm. Includes appendices and references. Approval Sheet Subjects--Topical Terms: Electronic commerce.Internet marketing. LC Class. No.: LG 993.2 C141 2014 / THE00022