Odhiambo, Dr. Nandwa Marble , trans. “Effectiveness of Teacher Selected Strategies on students’ Academic Performance in Mathematics, A Case of Form Three Students”. International Journal of Scientific Research and Management (IJSRM) 7, no. 11 (November 30, 2019): 180–186. Accessed August 31, 2025. https://www.ijsrm.net/index.php/ijsrm/article/view/2447.