TY - BOOK AU - Chaffey,Dave AU - Smith,Paul Russell TI - eMarketing eXcellence: planning and optimizing your digital marketing T2 - Emarketing essentials SN - 0750689455 U1 - 658.8 PY - 2008/// CY - Amsterdam, Boston, London PB - Butterworth-Heinemann KW - Mercadeo por internet N1 - Incluye bibliografía ER -