TY  - BOOK
AU  - Medina, R.G.
TI  - Principles of economics
SN  - 971-23-3610-7
U1  - GC 330 M491 2003 
PY  - 2003///
CY  - Manila
PB  - Rex Book Store
KW  - Economics
N1  - Includes bibliographical references
ER  -