TY  - BOOK
AU  - Tullao, Tereso S. Jr., 
TI  - Elements of economics / 
SN  - 9789710629749
U1  - FIL 330 T82e 2009 
PY  - 2009///
CY  - Quezon City : 
PB  - Phoenix Publishing House, 
KW  - Economics.
N1  - Includes index
ER  -