Ausubel D P <br/><br/>
Theory of problem of child development 
Ausubel D P; Sullivance E V 
 -  1970 
<br/><br/><label>Standard No.: </label>118765 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY