Lindgren, Henry Clay,  1914- <br/><br/>
Educational psychology in the classroom / 
Henry Clay Lindgren. 
 - 6th ed. 
 - New York :  Oxford University Press,  1980. 
 - xvi, 796 p. :  ill. ;  25 cm. 
<br/><br/>Bibliogr.: p. 757-781 
<br/><br/><label>ISBN: </label>0195026179 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational psychology.