De Leon-Abao, Ethel <br/><br/>
Language Learning Materials Development / 
Ethel De Leon-Abao; Rivika C. Alda; and Remedios C. Bacus. 
 - Metro Manila :  Lorimar Publishing, Inc.,  2021. 
 - xii, 104p. :  Includes bibliographical references;  25cm. 
<br/><br/><label>ISBN: </label>978-621-451-009-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language -- Study and teaching.<br/>Teaching -- Aids and devices.