"Names and codes for January 2000, Ethiopia". World Health Organization. Archived from the original on 2009-04-20. Retrieved 2020-10-05. The information in the WHO spreadsheet is built on information received 18 September 2002 from the Ethiopian Ministry of Federal Affairs.
who.int
"Names and codes for January 2000, Ethiopia". World Health Organization. Archived from the original on 2009-04-20. Retrieved 2020-10-05. The information in the WHO spreadsheet is built on information received 18 September 2002 from the Ethiopian Ministry of Federal Affairs.
worldstatesmen.org
"Ethiopia Regions". Worldstatesmen.org. Archived from the original on October 4, 2013. Retrieved October 1, 2013.