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ITU-T E-300 Suppl. 5 (11/1980)

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Modelling of an experimental test design for the determination of inexperienced user difficulties in setting up international calls using nationally available instructions, or to compare different sets of instructions
Citation: https://handle.itu.int/11.1002/1000/7566
Series title:
Approval date: 1980-11-21
Approval process:WTSA
Status: Superseded
Maintenance responsibility: ITU-T Study Group 2
Further details: Patent statement(s)