Heppner, P. Paul <br/><br/>
Research design in counseling / 
P. Paul Heppner, Bruce E. Wampold, Dennis M. Kivlighan, Jr 
 - 3rd ed. 
 - Belmont, CA. :  Brooks/Cole, Cengage Learning,  2008. 
 - xxi, 666 p. :  ill. ;  25 cm. 
<br/><br/>References : p. 621-654 
<br/><br/><label>ISBN: </label>9780534523480 (hbk.)  RM769.47 053452348X (hbk.)  RM425.28 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Counseling--Research--Methodology