| Djanga, Adrien Florent; Etoma Mpotani, Jean Mathieu; Eyoum, Laurence Eyoum; Mpollo, Jonathan; Ngoube Diady, Cyrille | Ilánga na itíla da ŋhálo mu banɔhɔ | 2017 | | |
| Boyd, Ginger; Gale, Wendy; Nyensi, Bernice | Le guide d'orthographe iyasa | 2016 | | |
| Tupper, Katharina; Tupper, Ian; Etoma Mpotani, Jean Mathieu; Belinga, Margaret; Ngande, Maurice | ETILEDI YÁ Ŋ´HALO MÚ BANƆHƆ | 2017 | | Literacy and Education |
| Ondafi, Napoleon; Atimi Richard Ayel; Odacho Pius Aku; Yilchon Gabriel M. | Va, Sáyegh nɛ Sɛ́saŋgɛ Iceve! | 2023 | | |
| Boutwell, Katrina; Boutwell, Richard L.; Zubot, Esther | Nchane Orthography Guide | 2021 | | Linguistics, Literacy and Education |
| Ŋwàʼlɨ̀ Àfyàʼ Itaŋikom 1 | | | |
