Hardyck, Curtis D. <br/><br/>
Understanding research in the social sciences :  a practical guide to understanding social and behavioral research / 
Curtis Hardyck, Lewis F. Petrinovich. 
 - Philadelphia :  Saunders,  1975. 
 - xii, 224 p. :  ill. 
 - Saunders books in psychology .
<br/><br/><label>ISBN: </label>0721645186 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research.<br/>Sociology--Research.