Cruz, Corazon L. <br/><br/>
Introduction to Logic / 
Corazon L. Cruz 
 - 4th ed. 
<br/><br/> College of Education  Bachelor of Elementary Education 
<br/><br/><label>ISBN: </label>9710857975 
<br/><br/><label>Dewey Class. No.: </label>160 C88