Macasban, Hildreth Hoke <br/><br/>
Elements of educational research 

 - New York  McGraw-Hill Book Co.  1963 
 - 208 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational research
<br/><br/><label>Dewey Class. No.: </label>370.78 M119e