• Ministry of Foreign Affairs & International Cooperation

        http://www.mfaic.gov.kh/e-visa/index.aspx

• Ministry of Commerce

        http://www.moc.gov.kh/

• Ministry of Economy and Finance

        http://www.mef.gov.kh/

• Permanent Mission of Combodia to the United Nations in New York

        http://www.un.int/cambodia/

• Permanent Mission of Combodia to the United Nations in Geneva

        http://www3.itu.ch/MISSIONS/Cambodia/