Johnston, James M. <br/><br/>
Strategies and tactics of behavioral research / 
James M. Johnston and Henry S. Pennypacker 
 - 3rd ed. 
 - New York :  Routledge,  2009 
 - xiv, 383 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>9780805858822  RM265.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology--Research--Methodology