Raphael, W. E.-I. ., and E. F. . Obikudo. “Re-Examining Previous Classification of Biseni and the Ijọ Language Cluster”. Pindus Journal of Culture, Literature, and ELT, vol. 3, no. 10, Oct. 2023, pp. 98-103, doi:10.51699/pjcle.v3i10.830.