Ibon socio economics workbook. /
Ibon socio economics workbook. /
Ibon Databank Philippines, Inc.
- Manila : Ibon Databank Philippines, c1983.
- 123 p. : ill. 28 cm.
Economics--Philippines.
HB 126.P6 .Ib6 1983
Economics--Philippines.
HB 126.P6 .Ib6 1983