Better learning  through current materials / 
edited by Lucien Kin ney and Katharine Dresden. 
 - Stanford :  Stanford University Press ,  1949 
 - x, 215 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references (p.193-201) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching-- Aids and devices.
<br/><br/><label>Dewey Class. No.: </label>371.102