Engelhart  <br/><br/>
Methods of educational research  
/ byMax D. Engelhart. 
 - Chicago  Rand McNally  1972. 
 - xx, 553p.  24cm 
<br/><br/> Includes index p.537 - 553 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research
<br/><br/><label>Dewey Class. No.: </label>370.78 ENG 1972