Kilungeja, A. N., T. J. Shavega, and J. Kigobe. “The Use of Digital Media in the Development of Arithmetic Skills in Lower Primary in Tanzania”. Journal of Research Innovation and Implications in Education, vol. 8, no. 3, May 2025, pp. 131-44, https://www.ajol.info/index.php/jriie/article/view/294690.