TY  - BOOK
AU  - De Vera, D.A.
TI  - A brief guide to symbolic logic
SN  - 978-971-94677-7-9
U1  - GC 160 D493 2010 
PY  - 2010///
CY  - Metro Manila
PB  - Grandwater Publishing Inc.
KW  - Logic
N1  - Includes bibliographical references and index
ER  -