H. James, Bulama, and Musa Abubakar. “Effectiveness of the Teaching at the Right Level (TaRL) Program on Numeracy Skills in Adamawa State, Nigeria”. GPH-International Journal of Educational Research 7, no. 05 (June 11, 2024): 57-66. Accessed September 11, 2025. https://www.gphjournal.org/index.php/er/article/view/1417.