TY  - BOOK
AU  - Santiago, Alma S. 
TI  - Logic: the art of reasoning
SN  - 971-93080-2-8
U1  - Fil 160 Sa594 2002  
PY  - 2002///
CY  - Quezon City
PB  - Jollence Publishing.
KW  - Logic.
N1  - Includes bibliographical references.
ER  -