TY  - BOOK
AU  - Umali, Pepe San Miguel
TI  - Logic: the art of living with reason 
SN  - 9789710445127
U1  - 160 
PY  - 2007///]
CY  - Manila : 
PB  - Mindshapers Co. Inc., 
KW  - Logic
N1  - Includes bibliographical references
ER  -