TY  - BOOK
T1  - Ethics and logic basic concepts
A1  - De Castro, Leonardo D
A2  - De Villa, Agerico M.
LA  - English
PP  - Quezon City
PB  - Katha
YR  - 1993
UL  - https://tuklas.up.edu.ph/Record/UP-1685594773857461364
OP  - 223
CN  - BJ 37 D42
KW  - Ethics.
KW  - Logic.
ER  -