Gregorio, Herman C. <br/><br/>
Teaching elementary school subjects/ 
by Herman. Gregorio, Potenciana C. Cruz, Cornelia M. Gregorio 
 - xi, 447 pages :   illustrations ;   23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Elementary education Curricula. 
<br/><br/><label>Dewey Class. No.: </label>372.19