Fraenkel, Jack R. <br/><br/>
How to design and evaluate:   research in education/ 
Jack R. Fraenkel, Norman E. Wallen, Helen H. Hyun. 
 - 9th ed. 
 - New York:  Mc Graw-Hill Education,   c2015. 
 - 640 p.:  ill.;  26 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>978-1-259-25392-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Methodology.--Research<br/>Education --Evaluation.--Research
<br/><br/><label>Dewey Class. No.: </label>GC 370.72 F799 2015