ITU-T Recommendations : Series C – General telecommunication statistics
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ITU-T Recommendations : Series C
(General telecommunication statistics)
ITU-T Recommendations In force December 2000 edition
ITU-T Rec. C.1 (03/93) ITU statistical yearbook
ITU-T Rec. C.2 (10/96) Collection and dissemination of official service information
ITU-T Rec. C.3 (03/93) Instructions for international telecommunication services
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