Buenaflor, Lionel E. <br/><br/>
The art of critical thinking :  logic for Filipino students/ 
Lionel E. Buenaflor 
 - Revised edition 
 - Mandaluyong City:  Books Atbp. Publishing Corp.,  c2009. 
 - viii, 287 pages ;  22 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>971-0388-75-2 (pkb.)