TY  - BOOK
AU  - Omas-as, Roberta L.
TI  - Introductory economics : : with taxation, agrarian reform and cooperatives 
SN  - 978-971-0391-39-4
AV  - 330 Om19i 
PY  - 2008///
CY  - Quezon City
PB  - Great Books Pub
ER  -