Malitao, Arnel L. <br/><br/>
Essential logic / 
Arnel L. Malitao. 
 - Mandaluyong City :  National Book Store,  2010. 
 - 324 p.: 22.2 cm. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9710870998 
<br/><br/><label>LC Class. No.: </label>160 M29