Ramaila, Sam, and Halalisani Mngomezulu. “Assessing Concept Mastery in Physical Sciences: Implementing Formative Assessment Interventions for Teaching and Learning Electricity and Magnetism”. International Journal of Learning, Teaching and Educational Research 24, no. 4 (April 30, 2025): 250–276. Accessed August 18, 2026. http://www.ijlter.myres.net/index.php/ijlter/article/view/2276.