TY  - BOOK
AU  - Santiago, Alma Salvador [author]
TI  - Logic : : the art of reasoning 
SN  - 971-709-025-4
U1  - 160 Sa235 2008 
PY  - 2008///
CY  - Manila
PB  - Redman Printing Press
KW  - Logic
N1  - Includes bibliography
ER  -