Faya Ismael Tolno (September 2011). "Les Recherches linguistiques de l'école N'ko"(PDF). Dalou Kende (in French). No. 19. Kanjamadi. p. 7. Archived(PDF) from the original on 31 August 2021. Retrieved 17 December 2020.
Faya Ismael Tolno (September 2011). "Les Recherches linguistiques de l'école N'ko"(PDF). Dalou Kende (in French). No. 19. Kanjamadi. p. 7. Archived(PDF) from the original on 31 August 2021. Retrieved 17 December 2020.