| Tupper, Katharina; Tupper, Ian; Etoma Mpotani, Jean Mathieu; Belinga, Margaret; Ngande, Maurice | ETILEDI YÁ Ŋ´HALO MÚ BANƆHƆ | 2017 | | Literacy and Education |
| Tupper, Katharina; Shain, Cory; Mbipite Tchele, Sammy; Gale, Wendy; Nyensi, Bernice; Bothe, Cyril; Bradford, Jann | Dictionnaire Iyasa | 2013 | | Linguistics, Literacy and Education |
| Tabah, Grace; Mkounga Tala Blaise | Naami Orthography Guide | 2023 | | Linguistics, Literacy and Education |
| Boutwell, Katrina; Boutwell, Richard L.; Zubot, Esther | Nchane Orthography Guide | 2021 | | Linguistics, Literacy and Education |
