"In order to compensate for the shortage of staff for secondary education, Mexico is increasing her activities in the field of school television — The author studies the Mexican experiment from various aspects: planning, organisation, execution — The results of this experiment." (Jean-Marie Van Bol, Abdelfattah Fakhfakh: The use of mass media in the developing countries. Brussels: CIDESA, 1971 Nr. 1334, topic code 410.320)