Heppner, P. Paul <br/><br/>
Research design in counseling / 
P. Paul Heppner, Bruce E. Wampold, Dennis M. Kivlighan 
 - 3rd ed. 
 - Belmont, CA  :  Brooks Cole ,  2008 
 - 666 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>978-0534523480 053452348X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Counseling--Research--Methodology