Orcullo, Norberto A., Jr. Principles of eCommerce/eBusiness: theories and applications/ Norberto A. Orcullo, Jr. - First Edtion - Manila: Rex Book Store, c2009. - xvi, 257 pages: illustrations; 26 cm. Includes bibliographical references and index. ISBN: 978-9-71235491-5 Subjects--Topical Terms: Electronic commerceElectronic business Dewey Class. No.: DFil 658.84 / Or64