Pananaliksik - wika at panitikan  / 
De Leon, Elmer B.; Abuan, Teresita  V. 
 - Quezon City :  Lorimar Publishing Inc.,  2021. 
 - xx, 232 p.; 25.5 cm. 
<br/><br/>Includes references 
<br/><br/><label>ISBN: </label>9786214510184 
<br/><br/><label>Dewey Class. No.: </label>Fil 499.211 D346 2021