Fraenkel, Jack R. <br/><br/>
How to design and evaluate research in education / 
Jack R. Fraenkel. 
 - 7th 
 - New York :  McGraw-Hill,  2009qxxviii. 642 p. 
 - xxviii. 642 p.: 
<br/><br/> Includes index and glossary 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>978-0-07-352596-9 
<br/><br/><label>LC Class. No.: </label>370.72 F84h