Skinner, Charles E., ed. <br/><br/>
Essentials of Educational psychology   

 - 
 - Englewwod Cliffs, New Jersey  Prentice-Hall  1963 
 - 528 p. 
 -   .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>370.15  / S628