Okeke, Ogochukwu C., Ike J. Mgbeafulike, Chioma P. Uba, and I. C. Ugbor. “A Survey of the Availability and Suitability of Mobile Applications for Digital-Skills Learning Among Older Adults in Nigeria”. IPS Journal of Physical Sciences 3, no. 1 (March 8, 2026): 141–146. Accessed June 3, 2026. https://journals.ipsintelligentsia.com/physical-science/index.php/IJPS/article/view/21.