"The development of radio in Liberia over a period of 10 years and the importance it has acquired — Structure and programmes — The transmitters, state aid and private resources — Details concerning reception possibilities and the general problems of training, reception, surveys, broadcasts and the improvement of programmes." (Jean-Marie Van Bol, Abdelfattah Fakhfakh: The use of mass media in the developing countries. Brussels: CIDESA, 1971 Nr. 1525, topic code 210.1)