TY  - BOOK
AU  - Agapay,Ramon B.
TI  - Logic : : the essentials of deductive reasoning 
SN  - 971-08-6857-8
AV  - BC71 Ag14 2007
PY  - 2007///
CY  - Mandaluyong City
PB  - National Book Store
KW  - Logic
ER  -