"Freedom of the press in Africa — A brief survey — Situation in various countries: Ghana, Nigeria and others — The situation in South Africa — The press is under government control in nearly all parts of the continent — Degree of freedom." (Jean-Marie Van Bol, Abdelfattah Fakhfakh: The use of mass media in the developing countries. Brussels: CIDESA, 1971 Nr. 877, topic code 110.31)