Agapay, Ramon B. <br/><br/>
Logic:  The Essentials of Deductive Reasoning. 

 - 2nd./ed 
 - 180p.  22cm. 
<br/><br/><label>ISBN: </label>9710868578 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic--2007--Philippines--newsprint