Spears Harold <br/><br/>
Improving the supervision of instruction 

 -  1953 
 - Prentice-Hall education series ed by Harold Spears .
<br/><br/><label>Standard No.: </label>149,173 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>T:838, J3