Lindgren, Henry Clay, 1914- <br/><br/>
Educational psychology in the classroom 
by Henry Clay Lindgren 
 - 4th ed. 
 - New York  John Wiley & Sons  1971 
 - 516 p. : ill. ; 25 cm. 
<br/><br/> Original published in 1956  Includes indexes 
<br/><br/>p. 481-509 
<br/><br/><label>ISBN: </label>0471536458 
<br/><br/><label>LCCN: </label>75-168647 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational psychology