Viwiyfenyuy, N. A. ., E. M. . Nalova, and F. L. . Wiysahnyuy. “Influence of Tactual Orientation Skills on the Attainment of Self-Autonomy of Persons With Severe Visual Impairments in the English-Speaking (North West and South West) Regions, Cameroon”. Middle European Scientific Bulletin, vol. 29, Oct. 2022, pp. 131-42, https://cejsr.academicjournal.io/index.php/journal/article/view/1556.