Fraenkel, Jack R. <br/><br/>How to design and evaluate research in education Jack R. Fraenkel, Norman E. Wallen  - Sixth Edition  - Boston:  McGraw-Hill,  2005  - xxxii, Various pages;  26 cm. <br/><br/>Includes glossary and index <br/><br/><label>ISBN: </label>0072981369 <br/><br/><label>LC Class. No.: </label>LB1028  / F665 2005