"Results of a vast survey carried out on the basis of various reports (diplomatic, commercial, medical and educational) concerning different nations of Africa during the last three years (1959-1962) a regards their use of radio and television in direct comparison with the other educational techniques, in the context of the development of education in the developing nations in Africa." (Jean-Marie Van Bol, Abdelfattah Fakhfakh: The use of mass media in the developing countries. Brussels: CIDESA, 1971 Nr. 340, topic code 04)