McGrath, G. D. <br/><br/>
Educational research methods 
by G. D. McGrath[and] James J.Jelinek 
 - New york  Ronald Press Co.  c1963. 
 - 301 p.  23 cm. 
<br/><br/>Bibliography: p. 280-286. 
<br/><br/><label>ISBN: </label>0340096152 
<br/><br/><label>LCCN: </label>91724912 //r84 
<br/><br/><label>Nat. Bib. No.: </label>B70-10502 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research.
<br/><br/><label>LC Class. No.: </label>LB1028  / .N57 
<br/><br/><label>Dewey Class. No.: </label>370.1/8