TY  - BOOK
AU  - Tubo, Dennis Villanueva.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 9789719983033 (paperback)
SN  - 2
PY  - 2013///;copyright 2013.46
CY  - Manila, Philippines : Purely Books Trading & Publishing Corporation
PB  - 
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Logic
N1  - Includes bibliographical references; 5
ER  -