Estefa, Leovina R. <br/><br/>
Ang wikang pambansa ng Pilipinas/ 
Leovina R. Estefa. 
 - Philippines:   In the Grade School, Inc.,   ©2012.  
 - v61 n3, page 115;  28 cm.  
<br/><br/> The Modern Teacher. 
<br/><br/><label>ISSN: </label>2094-8042  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Philippines.
<br/><br/><label>Dewey Class. No.: </label>DPer 370.105 M72 Jan-Dec 2012 v60-61