TY  - BOOK
AU  - Umali, Pepe S. M.
TI  - Logic: The art of living with a reason
SN  - 978-971-0445-12-7.
U1  - Fil. 160 Um49l 2007 
PY  - 2007///
CY  - Manila
PB  - Mindshapers Co., Inc.
KW  - 1. Logic
N1  - Includes bibliographical references
ER  -