OSE office
tel: 251-1-5528070 P.o.box: 43238
email: secretary@ose-ethiopia.org or ose_secretary@yahoo.com
Addis Ababa, Ethiopia
OSE office
tel: 251-1-5528070 P.o.box: 43238
email: secretary@ose-ethiopia.org or ose_secretary@yahoo.com
Addis Ababa, Ethiopia