International Conference on the Organization of Research and Training in Africa in Relation to the Study, Conservation, and Utilization of Natural Resources (1964 : Lagos, Nigeria) (Lagos)
Regional Seminar for Africa on the Integration of Women in Development, with Special Reference to Population Factors (1974 : Addis Ababa, Ethiopia) (Addis Ababa)
Conference of Ministers of African Member States Responsible for the Application of Science and Technology to Development (1974 : Dakar, Senegal) Dakar