Gregorio, Herman C. <br/><br/>
School administration and supervision / 
by Herman C. Gregorio 
 - Revised edition 
 - xiv, 550 pages 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Schools--Administration<br/>School supervision
<br/><br/><label>Dewey Class. No.: </label>371.2