TY  - BOOK
AU  - Agapay,Ramon
TI  - Logic: : The Essentials of Dedeuctive Reasoning
SN  -  971-08-4891-7
U1  - 170 Ag 15 
PY  - 1991///
CY  -  Manila, Philippines
PB  -  National Book Store, Inc.
N1  - CoED; Bachelor of Elementary Education
ER  -