Gregorio, Herman C. <br/><br/>
School administration and supervision / 
Herman C. Gregorio 
 - rev. ed. 
 - Quezon City:  Garotech Publishing,  c1961 
 - xiv, 550p. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9-71-871109-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Schools - Administrations<br/>School supervision
<br/><br/><label>Dewey Class. No.: </label>G.S./Fil. 371 G821 1961