Gall, Meredith <br/><br/>
Educational research :   an introduction / 
Meredith D. Gall, Joyce P. Gall and Walter R. Borg. 
 - 8th ed. - 
 - Boston:  Pearson,  c2007. 
 - xxi, 672 p. :  ill. ;  24 cm. 
<br/><br/>Includes appendices, bibliographies, glossary & indexes. 
<br/><br/><label>ISBN: </label>0-205-48849-8 (cb.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education --Research.