Perez, Alfonso D. <br/><br/>
English in a new perspective / 
Alfonso D. Perez. 
 - Mandaluyong City :  National Book Store,  2010. 
 - xiv, 198 p.:  22 cm. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>971-08-5192-6 
<br/><br/><label>LC Class. No.: </label>428 P41e