Lewis, D. G. <br/><br/>
Experimental design in education 
D. G. Lewis 
 - London:  University of London,  1968. 
 - 192p. 
<br/><br/> HB 
<br/><br/>Includes index 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational research
<br/><br/><label>Dewey Class. No.: </label>370.78  / LEE