Powell, Guy <br/><br/>
ROI of Social Media : How to Improve the Return on Your Social Marketing Investment 
Powell, Guy 
 -  Wiley  2011 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9780470827437     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Sciences