English proficiency 1 / 
Evelyn L. Sebastian  [and three others]. 
 - Second edition. 
 - Quezon City :  C & E Publishing Inc,  2013. 
 - xi, 221 pages ;  26 cm. 
<br/><br/> Bibliography: p.220-221. 
<br/><br/><label>ISBN: </label>9789719800811 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study & teaching.<br/>English language--Textbooks.