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Interval signal
World Radio and Television Handbook 1997. Billboard Books. p. 560. ISBN 0-8230-7797-7. Sennitt, Andrew G.; David Bobbitt (December 2005). World Radio and...

26 KB (1,604 words) - 08:03, 26 August 2024
São Tomé and Príncipe
Machine, Amsterdam 1995. ISBN 0-8230-5926-X WRTH 1997, p. 514, ISBN 0-8230-7797-7 "Overview". World Bank. Archived from the original on 22 June 2022....

91 KB (9,212 words) - 09:37, 26 August 2024