TY  - BOOK
AU  - Medina, Roberto G.
TI  - Principles of economics
SN  - 97897136102 (NP)
AV  - HB 171.5 M42 2003 
PY  - 2003///, reprint 2011
CY  - Manila : 
PB  - Rex Book Store
KW  - Economics
N1  - "Reprinted 2010"; Includes bibliographical references and index
ER  -