Baxter, K. Caine, K Courage, C. <br/><br/>
Understanding Your Users: A Practical Guide to User Research Methods 

 - 2nd 
 - USA  Morgan Kaufmann  2015 
<br/><br/><label>ISBN: </label>9780128002322 
<br/><br/><label>Dewey Class. No.: </label>004.019