"Report on an experiment carried out in June 1962 in the province of Zaria (Northern Nigeria) under the auspices of the Nigerian Ministry of Agriculture — The author describes the reactions of the public to agricultural broadcasts presented by mobile radio teams — He shows the value of such experiments for remote areas." (Jean-Marie Van Bol, Abdelfattah Fakhfakh: The use of mass media in the developing countries. Brussels: CIDESA, 1971 Nr. 1206, topic code 263)