Tubo, Dennis Villanueva <br/><br/>
Logic for right living / 
Dennis Villanueva Tubo. 
 - Intramuros, Manila :  Unlimited Books,  2017. 
 - xiv, 179 p. ; 24 cm. 
<br/><br/> Includes bibliography. 
<br/><br/><label>ISBN: </label>978-971-9654-63-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic--study and teaching