Gregorio, Herman Cruz <br/><br/>
Principles and method for teaching / 
by Herman C. Gregorio. 
 - Rev. ed. 
 - Quezon City :  Garcia Pub,  1976. 
 - xx, 580 p. 
<br/><br/> Includes glossary, appendices, and index. 
<br/><br/><label>ISBN: </label>9718711082 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Study and teaching<br/>Education--Philippines
<br/><br/><label>LC Class. No.: </label>LB 1025   / .G7 1976