Travers, Robert M. W.,  1913 <br/><br/>
Essentials of learning / 
Robert M. W. Travers 
 - 4th ed. 
 - New York :  MacMillan,  1977 
 - 626 p  ;  24 cm. 
<br/><br/>Includes indexes 
<br/><br/><label>ISBN: </label>0024213500 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Learning, Psychology of