Horton, Paul, B. Horton, Robert, L. <br/><br/>
Programmed learning aid for introductory sociology / 
[by] Paul b.Horton & Robert L.Horton 
 - [S.l]  [s.n.]  0 
 - 138p, 
<br/><br/> Includes glossary & index. 
<br/><br/><label>ISBN: </label>70201 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology
<br/><br/><label>Dewey Class. No.: </label>301  / HOR