Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Aborobongui, Georges Martial Embanga Aborobongui (2013). Processus segmentaux et tonals en Mbondzi- (variétéde la langue ɛmbɔ́sí C25). Université de la Sorbonne Nouvelle.