| Ekolet E., Charles; Epengo Malonga, Daniel; Ipoua M., Henri; Mbipite, Gaspard; Mohmbo, Laurent; Ndomi Yavoua, Albert Sylvain; Sibo, Joachim; Siliki, epse Epengo Frida | Elánga na etila na iyasa | 2017 | | |
| Boyd, Ginger; Gale, Wendy; Nyensi, Bernice | Kálati á Itilídí já Iyasa | 2017 | | |
| Boyd, Ginger; Gale, Wendy; Nyensi, Bernice | Le guide d'orthographe iyasa | 2016 | | |
| Mbipite Tchele, Sammy; Ekoumou, Daniel; Epengo Malonga, Daniel; Mbipite, Gaspard; Sondo Iyanga; Ebongue, Sylvain | Peko a ibóngo é eali á ibálɛ na einga á ibandamiyɛ na idaka já EE.UU KOVID-19 : Betɛ́mídí é eali á ebambwa á idaka | 2020 | | |
| Tupper, Katharina; Shain, Cory; Mbipite Tchele, Sammy; Gale, Wendy; Nyensi, Bernice; Bothe, Cyril; Bradford, Jann | Dictionnaire Iyasa | 2013 | | Linguistics, Literacy and Education |
| Boyd, Ginger; Noussi Tatchum, Sara | Morphologie nominale et verbale de la langue iyasa | 2023 | | Linguistics |
