TY  - BOOK
AU  - Ardales, Venancio
TI  - Logic made easy
SN  - 9718581073
U1  - FIL 160 Ar676l 1998 
PY  - 1998///
CY  - Iloilo City
PB  - Concerns, Inc.
KW  - Logic
KW  - Problems, exercises, etc
ER  -