TY  - BOOK
AU  - Buñag, Willie A.
AU  - 
AU  - Angulo, Joselito B.
AU  - Libarnes, Charmaine Adanza.
TI  - Logic: basic principles of critical thinking
SN  - 978-971-9905-84-4
U1  - 160 B942 2014 
CY  - Manila
PB  - Mindshapers Co.
KW  - Logic
N1  - Includes bib. references
ER  -