TY  - BOOK
AU  - Malitao, Arnel L.
TI  - Essential logic
SN  - 971-086-383-5
U1  - DFil 160 2003
PY  - 2003///
CY  - Mandaluyong City
PB  - National Book Store
KW  - Logic
N1  - Includes bibliographical references
ER  -