Ausubel, David Paul. <br/><br/>
Theory and problems of child development 

 - 2d ed. 
 - New York,  Grune & Stratton  [1970] 
 - xi, 849 p. 
<br/><br/><label>ISBN: </label>0808906410 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child psychology.
<br/><br/><label>LC Class. No.: </label>MED. BF721  / .A8