Corey, Stephen Maxwell, 1904 <br/><br/>
Action research to improve school practices 

 - New York  Columbia University  1953 
 - 161p.  22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational research
<br/><br/><label>LC Class. No.: </label>LB1028.C6