TY - BOOK AU - GUY R POWELL; TI - MARKETING CALCULATOR: MEASURING AND MANAGING RETURN ON MARKETING INVESTMENT SN - 978-0-470-82395-8 U1 - 658.8 PY - 2008/// CY - SINGAPORE PB - JOHN WILY AND SONS PVT LTD KW - MARKETING N1 - 23 ER -