TY - BOOK AU - Chaffey,Dave AU - Smith,P.R. TI - Emarketing excellence: planning and optimizing your digital marketing SN - 9780415533379 (pbk.) AV - HF5415.1265 .C43 2013 U1 - 658.872 23 PY - 2013/// CY - Abingdon, Oxon, New York PB - Routledge KW - Internet marketing N1 - Includes index ER -