Logic for right living/ 
Dennis Villanueva Tubo. 
 -  Purely Books Trading & Publishing Corp.,  2013 
 - xvi, 183 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>978-9-71998303-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.
<br/><br/><label>Dewey Class. No.: </label>F 160 T7908 2013