Maboloc, Christopher Ryan B. <br/><br/>
Elements of logic 

 - Manila    Rex Book Store  2006 
 - xi, 142 p.  Includes index 
<br/><br/><label>ISBN: </label>978-971-23-5186-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic
<br/><br/><label>Dewey Class. No.: </label>Fil 160 M11 e