Fábùnmi, Felix Abídèmí. “Vigesimal Numerals on Ifẹ̀ (Togo) and Ifẹ̀ (Nigeria) Dialects of Yorùbá”. Linguistik Online 43, no. 3 (July 1, 2010). Accessed February 1, 2025. https://bop.unibe.ch/linguistik-online/article/view/411.