Gall, Meredith D. , <br/><br/>
Educational research :  an introduction / 
Meredith D. Gall, Joyce P. Gall and Walter R. Borg. 
 - xxxi, 656 pages :  illustrations ;  24 cm. 
<br/><br/><label>ISBN: </label>0321081897 9780321081896 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education --Research.<br/>Education --Research--United States.
<br/><br/><label>LC Class. No.: </label>LB1028   / .G34 2003