Gregorio, Herman C. <br/><br/>
School administration and supervision / 
by Herman C. Gregorio. 
 - Rev. ed. 
 - Quezon City :  GAROTECH Pub,  c1961. 
 - xiv, 550 p. : ill. 
<br/><br/> Includes glossary, appendices, and index. 
<br/><br/><label>ISBN: </label>9718711090 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Schools management and organization--Philippines