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Breadcrumb:
History of Radio
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Radio's role in Mexico: A First-hand Survey
Journalism Quarterly, volume 31, issue 1 (1954), pp. 66-72
"History of American and Mexican broadcasts from 1921 to 1939, characterised by programmes for people in rural areas who have no access to other media." (Jean-Marie Van Bol, Abdelfattah Fakhfakh: The use of mass media in the developing countries. Brussels: CIDESA, 1971 Nr. 68, topic code 210.1)