"Development since 1941 — Structure and programmes of the ZBC (Zambia Broadcasting Corporation) — Reorganisation in 1964 — Commercials — A third programme is planned for education and training." (Jean-Marie Van Bol, Abdelfattah Fakhfakh: The use of mass media in the developing countries. Brussels: CIDESA, 1971 Nr. 1302, topic code 210.1)