"Importance of radio in Mexico — The cultural stations — The television stations — The programmes of the commercial radio stations — Radio Gobernación — Radio at the University of Mexico — Reaching the rural areas of Mexico — Programmes of the Mexican television stations — Improving radio programmes in Mexico — Conclusion: it is necessary to carry out fairly detailed research and anlyses of the actual conditions at various levels in order to make radio and television participate more effectively in the social and cultural advancement of Mexico." (Jean-Marie Van Bol, Abdelfattah Fakhfakh: The use of mass media in the developing countries. Brussels: CIDESA, 1971 Nr. 748, topic code 210.1)