TY  - BOOK
AU  - Alba, Clarita 
AU  - Sabaten, Renato Marconi M. 
AU  - Saguina, Puramaryver 
TI  - Logic basics
U1  - Fil 160 Al131 2003  
PY  - 2003///
CY  - Jollence Publishing 
KW  - Logic.
N1  - Includes bibliographical references.
ER  -