7th World telecommunication forum : strategies summit: Telecom 95 / International Telecommunication Union
The virtual training center / UIT
Minutes of the plenipotentiary conference of the International Telecommunication Union : Kyoto 1994 / org. International Telecommunication Union
Final acts of the additional plenipotentiary conference : (Geneva 1992 / International Telecommunication Union
Partilhar
Imprimir
Email
Exportar
