TY  - BOOK
AU  - Gualdo, Rosendo S.
AU  - Placido, Dennis M.
AU  - Dagwasi, Charlie M.
TI  - Logic: the basics of correct reasoning 
SN  - 9789718213353
AV  - FIL BC 71 G83 2013 
PY  - 2013///
CY  - Malabon City
PB  - Mutya Pub.
KW  - Logic
N1  - Includes bibliographical references
ER  -