| ISO 639-3 | art-001 |
| spm | |
| ISO 639-3 Reference Names | art-289 | Akukem |
| ISO 639-3 Print Names | art-290 | Akukem |
| ISO 639-3 Inverted Names | art-291 | Akukem |
| Ethnologue Primary Language Names | art-323 | Akukem |
| Glottolog Languoid Names | art-326 | Sepen |
| Glottocode | art-327 | sepe1240 |
| Glottolog Primary Key | art-328 | 28748 |
| Ethnologue Language Names | art-330 | Akukem |
| Ethnologue Language Names | art-330 | Sepen |
| English | eng-000 | Sepen |