TY  - BOOK
AU  - Agapay, R.B.
TI  - Logic: the essentials of deductive reasoning 
SN  - 971-08-6857-8
U1  - GC 160 A259 2007 
PY  - 2007///
CY  - Mandaluyong City
PB  - National Book Store
KW  - Logic
KW  - Reasoning
N1  - Includes bibliographical references and index
ER  -