TY  - BOOK
AU  - Meer, Thelma Q,. Hualda, lou S. & Bamba, Lamberto M.
TI  - Basic of logic
SN  - 971-42-0431-3
U1  - Fil. 160 M531 C2004 
PY  - 2004///
CY  - Philippines
PB  - Trinitas Publishing, Inc.
ER  -