Posecion, Ofelia T. <br/><br/>
Language research :   principles and application / 
Ofelia T. Posecion. 
 - Quezon City :  Lorimar Pub,  2011. 
 - viii, 141 p.:  26 cm. 
<br/><br/> Includes bibliography 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>971-685-727-6 
<br/><br/><label>LC Class. No.: </label>418 P84l