Mertens, Donna M.  <br/><br/>
Research and evaluation in education and psycholoy / 
Donna M. Mertens 
 - 4th. ed. 
 - Thousand Oaks, CA. :  SAGE Publications,  2015 
 - xxiii, 509 pages :  illustrations,   26 cm. 
<br/><br/>Includes bibliographical references (p. 470-494) and index 
<br/><br/><label>ISBN: </label>9781452240275 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research--Methodology<br/>Psychology--Research--Methodology<br/>Educación --Investigación--Metodología<br/>Psicología--Investigación --Metodología
<br/><br/><label>LC Class. No.: </label>LB 1028  / M47 2015