ISBN 0-19-894107-2 The British Collins Atlas of the World, the 1993 edition, ISBN 0-00-448038-4 Ethiopia Central Statistics Office -- Population Projection for mid-2008...
ISBN 0-19-894107-2 The British Collins Atlas of the World, the 1993 edition, ISBN 0-00-448038-4 The British Collins Longman Student Atlas, the 1996 and in 1998 publications...