Helmstadter, G C  <br/><br/>
Research  Concepts In Human Behavior:  Education, Pshchology, Sociology 

 - New York:  Appleton - Century - Crofts,   1970 
 - 448 p.  HB 
<br/><br/> General 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education-- Research  Concepts In Human Behavior -- Pshchology
<br/><br/><label>Universal Decimal Class. No.: </label>362.2  / HEL-R