"Studies on the use of radio in education — The nature of radio enables it to provide teachers living in university and cultural centres, who often are the only people responsible for the education of children of all ages, with information and new teaching methods, as well as a great number of facts and concrete examples — The value of radio for education is particularly evident in countries where schools are rare — The least favoured countries could do great deal more to make the best use of educational radio." (Jean-Marie Van Bol, Abdelfattah Fakhfakh: The use of mass media in the developing countries. Brussels: CIDESA, 1971 Nr. 488, topic code 210.320)