TY - BOOK AU - Chaffey,Dave AU - Smith,P.R. TI - E-marketing excellence :planning and optimizing your digital marketing SN - 9780415533355 AV - HF5415.1265 .S615 2013 U1 - 658.8/72 23 PY - 2013/// CY - London PB - Routledge KW - Internet marketing N1 - Includes bibliographical references and index ER -