• [1] T.52 : Non-latin coded character sets for telematic services, tsbmail, 2020-12-05T07:48:18.000Z https://www.itu.int/rec/T-REC-T.52-199303-I/en
• [3] T.52 :, tsbmail, 2020-12-05T07:53:37.000Z https://www.itu.int/rec/T-REC-T.52-199610-I!Amd1/en

[2] 文脈: T.61, T.101