Gikandi J, Kimaru S, Mwangi J, Mugwe M. Assessment of usability and sustainability of digital braille assistive devices for learners with visual impairment in Kenya. AJERNET [Internet]. 2025 May 19 [cited 2026 May 22];6(2):540-5. Available from: https://ajernet.net/ojs/index.php/ajernet/article/view/1053