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Population : the vital revolution
Freedman, Ronald, (1964)
Education and fertility : policy implications for developing countries
Akinboye, Olugbemi, (1979)
Population growth and family change in Africa : the new urban elite in Ghana
Caldwell, John C., (1968)
Report of the participants in the Regional Seminar on Techniques and Procedures of United Nations Technical Assistance, Addis Ababa, 24.5.-11.6.1971, sponsored jointly by UNITAR and ECA
(1971)
Report of the Regional Conference on Petroleum Industry and Manpower Requirements in the Field of Hydrocarbons, Tripoly, Lybia, 2.-12.2.1974
(1974)
Report of the African Population Conference, Accra, Ghana, 9.-18.12.1971
(1972)