Cruz, Corazon L. <br/><br/>
Introduction to logic/ 
Corazon L. Cruz 
 - Revised Edition 
 - Manila:  National Book Store,  ©1983 
 - x, 344 pages;  21 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>971-08-0152-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic
<br/><br/><label>Dewey Class. No.: </label>DFil 160  / C88