Gravetter Fredrick J <br/><br/>
Research Methods for the Behavioral Sciences/ 
Fredrick J Gravetter. 
 - USA:  Wadsworth Cengage Learning,  2012. 
 - xxi,618p.; 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>9781111342258 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Behavioral Sciences
<br/><br/><label>LC Class. No.: </label>BF76.5 .G73 2012