Barr A S <br/><br/>
Supervision    democratic leadership in the improvement of learning 

 - 2nd 
 -  1947 
<br/><br/><label>Standard No.: </label>149,317 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>T:857, H7