Horton, Paul B. <br/><br/>
Programmed learning aid for introductory sociology / 
Paul B. Horton and Robert L. Horton. 
 - London :  Learning system company,  1977. 
 - 138 p. :  30 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0256019878 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology.
<br/><br/><label>Dewey Class. No.: </label>301  / HOP 1977