Ardales, Venancio B. <br/><br/>
Logic made easy/ 
Venancio B. Ardales 
 - 167 pages;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9718581073 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic
<br/><br/><label>Dewey Class. No.: </label>160