Países y medios de comunicación estructura mundial de transmisión de noticias [Ana Carrascal]...et al. - Barcelona Editorial Mitre 1986. - 282 p. maps 21 cm. - Enciclopedia de periodismo ; [v. 2] .

Bibliography: p. 281-282.

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Mass media--Statistics.
Television stations--Directories.
Radio stations--Directories.
Newspapers--Directories.
Mass media--Directories.
Television stations--Statistics.
Radio stations--Statistics.
Newspapers--Statistics.