Cruz, Corazon L. <br/><br/>
Introduction to logic / 
Corazon L. Cruz. 
 - revised edition. 
 - x, 344 pages. 
<br/><br/> Bibliography: p.359.  Includes index. 
<br/><br/><label>ISBN: </label>971-08-0152-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.