Cruz, Corazon L. <br/><br/>
Introduction to logic 
Corazon L. Cruz 
 - Fourth edition  
 - Mandaluyong City:  National Book Store,  [1995] 
 - xii 362 pages  22 cm 
<br/><br/>Includes Index 
<br/><br/><label>ISBN: </label>9710857975 
<br/><br/><label>LC Class. No.: </label>BC 71  / .C9573 1995