United Nations. Economic and Social Council; United Nations. Economic Commission for Africa; NU. CEA Colloque sur le développement industriel en Afrique (7ème session : 1965 février 9 - 23 : Nairobi, Kenya)(1965-02)
United Nations. Economic and Social Council; United Nations. Economic Commission for Africa; UN.ECA (9th session: 1969, Feb, 3-14: Addis Ababa, Ethiopia)(1972-02)
Tayob, Marcelino; United Nations. Economic and Social Council; United Nations. Economic Commission for Africa; UN. ECA African Regional Symposium on Telematics for Development (1995, Apr.3-7 : Addis Ababa, Ethiopia)(1995-04)
United Nations. Economic and Social Council; United Nations. Economic Commission for Africa; UN. ECA African Regional Symposium on Telematics for Development (1995, Apr.3-7 : Addis Ababa, Ethiopia)(1995-03)
Traore, Nouhoun; Nations Unies. Commission Economique pour l'Afrique; Nations Unies. Conseil Economique et Social; NU.CEA Colloque régional africain sur la télématique au service du développement (1995, avr. 03 - 07 : Addis Abeba, Ethiopie)(1995-04)
United Nations. Economic Commission for Africa; UN. ECA Conference on Global Connectivity for Africa : Issues and Options (1998 : Addis Ababa, Ethiopia).(1998-06)
United Nations. Economic Commission for Africa; UN. ECA African Regional Symposium on Telematics for Development (1995, Apr.3-7 : Addis Ababa, Ethiopia)(1995-02)
Ernberg, Johan; United Nations. Economic and Social Council; United Nations. Economic Commission for Africa; UN. ECA African Regional Symposium on Telematics for Development (1995, Apr.3-7 : Addis Ababa, Ethiopia)(1995-02)
United Nations. Economic and Social Council; United Nations. Economic Commission for Africa; UN. ECA Joint Meeting of ECA and OAU on Telecommunications in Africa (1966: Mar. 7 - 12 : Addis Ababa, Ethiopia.)(1966-01)
United Nations. Economic and Social Council; United Nations. Economic Commission for Africa; UN. ECA Conference of Ministries of the Commission (18 session, 9th : 1983, April 27 - May 3 : Addis Ababa, Ethiopia); UN. ECA Technical Preparatory Committee of the Whole Meeting (4th : 1983, Apr. 14-22 : Addis Ababa, Ethiopia); UN. ECA Conference of Ministers of the Commission (9th : Apr. 27-May 3 : Addis Ababa, Ethiopia)(1983-02)
Nations Unies. Commission Economique pour l'Afrique; Nations Unies. Conseil Economique et Social; NU. CEA Réunion de la conférence des ministres Africains des transports et des communications (11ème : 1997, nov. 25-27 : Caire, Egypte)(1997-10)
Ernberg, Johan; Nations Unies. Commission économique pour l'Afrique; Nations Unies. Conseil Economique et Social; NU.CEA Colloque Régional Africain sur la Télématique au Service du Développement (1995, avr. 03 - 07 : Addis Abeba, Ethiopie).(1995-03)