TY  - BOOK
AU  - Gualdo,Rosendo S.
TI  - Logic: the basics of correct reasoning 
SN  - 9718210040
AV  - BC 177 G83 2000
PY  - 2000///
CY  - Valenzuela City
PB  - Mutya Pub. House
KW  - Reasoning
KW  - Textbooks
N1  - Printed by Mega-Jesta Prints
ER  -