Engelhart, Max D. <br/><br/>
Methods of educational research 
Max D. Engelhart 
 - Chicago:  Rand McNally,  1972. 
 - xx, 553p. 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational research
<br/><br/><label>Dewey Class. No.: </label>370.78  / ENM