Gregorio, Herman C. <br/><br/>
School administration & supervision. 

 - rev. ed. 
 - xiv, 550p.  22cm. 
<br/><br/><label>ISBN: </label>9-71-871109-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Schools--Administration.<br/>School supervision.
<br/><br/><label>Dewey Class. No.: </label>371.2011 G862 1961