Xu, Jun E-business in the 21st century : realities, challenges, and outlook / Jun Xu, Mohammed Quaddus. - Hackensack, NJ : World Scientific, 2010 - 451 p. : ill. HKBU Library ISBN: 9789812836748 Subjects--Topical Terms: Electronic commerce.Customer relations--Management. LC Class. No.: HF5548.32 / X8 E 2010