De leon-Abao, Ethel <br/><br/>
Language learning materials development / 
Ethel De Leon - Abao, Rivika C. Alda, and Remedios C. Bacus 
 - Quezon City :   Lorimar Publishing, Inc.,   c2021. 
 - xii, 104 pages :  illustration. ;   c2021. 
<br/><br/>Includes bibliographic references. 
<br/><br/><label>ISBN: </label>978-621-451-009-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/> LANGUAGE AND LANGUAGES -- STUDY AND TEACHING. 2.  I. <br/>TEACHING -- AIDS AND DEVICES.
<br/><br/><label>LC Class. No.: </label>P 53.15 D4 2021