Calica, Jame Cher Anne S. Effects of online selling towards buying preference of young professionals in Marikina City / Jame Cher Anne S. Calica - Marikina City: OLOPSC, c2014. - 28 pages; 27cm. Subjects--Topical Terms: Electronic commerce.Internet marketing. LC Class. No.: LG 993.2 C141 2014 / THE00180