Sources
  • Central Bank of Yemen Reports
  • Indicators of Education in the Republic of Yemen-the Supreme Council of Educational Planning.
  • Statistical Year Book – Central Statistical Organization - Various issues.
  • Yemen-Facts and figures - National information center.
  • Republic of Yemen: 15 years of construction and development 1990-2005 - Ministry of Planning and International Cooperation
  • Bulletin of Public Finance-Ministry of Finance.