Ryans David G <br/><br/>
Characteristics of teachers    their description, comparison, and appraisal  

 -  1960 
 - Committee on teacher characteristics study .
<br/><br/><label>Standard No.: </label>148,569 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>Tb(S:7), K0