Gualdo, Rosendo S., author. <br/><br/>
Logic :  the basics of correct reasoning / 
Rosendo S. Gualdo. 
 - Valenzuela City :  Mutya Publishig House,  ©2000. 
 - 156 pages ;  25 cm. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9718210040 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic
<br/><br/><label>Dewey Class. No.: </label>DFil 160  / G33