Sebastian, Evelyn L. <br/><br/>
English proficiency I / 
Evelyn L. Sebastian and Erlinda A. Cayao. 
 - Revised Edition. 
 - Quezon City :  C & E Publishing Inc,  2007. 
 - vii, 202  pages ;  26 cm. 
<br/><br/> Bibliography: pp: 201-202. 
<br/><br/><label>ISBN: </label>9789715845885 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language-Usage.