"Report of an experiment in the use of films for the agricultural and health education of the people of Sukumaland — Value of the films for the education of women and children who are difficult to reach with traditional forms of propaganda." (Jean-Marie Van Bol, Abdelfattah Fakhfakh: The use of mass media in the developing countries. Brussels: CIDESA, 1971 Nr. 1955, topic code 310.321.2)