Cruz, Corazon L. <br/><br/>
Introduction to logic 

 - 4th 
 - Mandaluyong City, Philippines:  National Book Store,  c1995. 
 - 363 p. 
<br/><br/><label>ISBN: </label>9710857975 
<br/><br/><label>Dewey Class. No.: </label>CIR 160 C88i 1995  / 6815