Charles, D. (1989). Technology and Competition in the International Telecommunications Industry. London: Pinter Publishers.
Παραπομπή Chicago StyleCharles, David. Technology and Competition in the International Telecommunications Industry. London: Pinter Publishers, 1989.
Παραπομπή MLACharles, David. Technology and Competition in the International Telecommunications Industry. London: Pinter Publishers, 1989.
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