Lewis, D. G. (D. Gerwyn) <br/><br/>
Experimental design in education 
[by] D. G. Lewis. 
 - London,  University of London P.,  1968. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>034007342X  35/- 
<br/><br/><label>LCCN: </label>68112743 //r85 
<br/><br/><label>Nat. Bib. No.: </label>B68-13175 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational statistics.
<br/><br/><label>LC Class. No.: </label>LB2846  / .L38 
<br/><br/><label>Dewey Class. No.: </label>370.1/82