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Votre recherche : author_txt:"International Telecommunication Union (ITU)" a repéré 1 document.
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Procedure for establishing a budget model for a telecommunication undertaking / International Telecommunication Union (ITU); International Telegraph and Telephone Consultative Committee (CCITT); Gas 5 (Group). Geneva : International Telecommunication Union : International Telegraph and Telephone Consultative Committee, 1983.
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