Mertens M.D. <br/><br/>
Research and evaluation in education and psychology:  integrating diversity with quantitative, qualitative and mixed methods/ 
Donna M. Mertens 
 - 4th 
 - London:  Sage,  2015. 
 - xxiii, 509p.:  ill.;  25 cm. 
<br/><br/> includes appendix,references and index 
<br/><br/><label>ISBN: </label>9781452240275 
<br/><br/><label>Subjects--Topical Terms: </label><br/>education research methodology
<br/><br/><label>LC Class. No.: </label>DUCE LB1028.M3964