Lindgren, Henry Clay,  1914- <br/><br/>
Educational psychology in the classroom /  
Henry Clay Lindgren 
 - 4th ed.  
 - New York :  Wiley,  1972 
 - xx, 516 p. :  ill. ;   25 cm 
<br/><br/>Bibliography: p. 647-677 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational psychology
<br/><br/><label>Dewey Class. No.: </label>370.15  / LIE 1972