Tupas, T. Ruanni F. <br/><br/>
Second language teaching / 
T. Ruanni F. Tupas. 
 - Diliman, Quezon City :  University of the Philippines Open University,     c2002. 
 - 358 p. :  ill. ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Second language acquisition.<br/>Language and languages--Study and teaching.