Gualdo, Rosendo S. <br/><br/>
Logic : the basics of correct reasoning 

 - Valenzuela City  Mutya Pub. House  2000 
 - 156 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic
<br/><br/><label>LC Class. No.: </label>C Fil. 160 G931l 2000