Ngwa S. Orientation and Mobility (O&M) Efficiency of Persons with Visual Impairment (PVI) in Cameroon Under Varied Circumstances. JRITIL [Internet]. 2025 Apr. 14 [cited 2026 Apr. 2];3(4):26-41. Available from: https://journals.proindex.uz/index.php/JRITIL/article/view/2337