Sommer Robert <br/><br/>
Practical guide to behavioral reseach Tools and techniques 
Sommer Robert; Sommer Barbara B. 
 - New York  Oxford University Press      1980 
 - vii, 256p  cm. 
<br/><br/> Appendix p 241--250 (AD) 
<br/><br/><label>Standard No.: </label>84,766 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>SN1:f, M0