TY  - BOOK
AU  - Harden,Leland
AU  - Heyman,Bob
TI  - Marketing by the numbers: how to measure and improve the ROI of any campaign 
SN  - 9780814416204
AV  - HF5415.1265 .H3665 2010
U1  - 658.8/02 22
PY  - 2010///
CY  - New York
PB  - Amacom-American Management Association
KW  - Internet marketing
KW  - Case studies
UR  - http://portal.igpublish.com/iglibrary/search/AMAB0000670.html
ER  -