TY - BOOK AU - Jeffrey, Mark TI - Data-driven marketing: the 15 metrics everyone in marketing should know SN - 978-0-470-50454-3 AV - GC HF 5415.2 J44 2010 c.1 PY - 2010/// CY - New Jersey PB - John Wiley & Son, Inc. KW - MARKETING RESEARCH N1 - Include index ER -