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MARKETING CALCULATOR: MEASURING AND MANAGING RETURN ON MARKETING INVESTMENT by POWELL, GUY R. (Paperback - 2008) ISBN: 9780470823958 Subject: BUSINESS & FINANCE Publisher: JOHN WILEY & SONS (ASIA) PTE LTD |
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ROI OF SOCIAL MEDIA: HOW TO IMPROVE THE RETURN ON YOUR SOCIAL MARKETING INVESTMENT by POWELL, GUY R. (Hardcover - 2011) ISBN: 9780470827413 Subject: BUSINESS & FINANCE Publisher: JOHN WILEY |
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