Haimbangu, M., & Chirimbana, M. (2024). Practices that help Grade 11 and 12 learners to improve their performance in Physics and Chemistry: A case of Omusati region, Namibia. Namibia Educational Reform Forum Journal, 29(1), 58–79. Retrieved from https://journals.nied.edu.na/index.php/nerfj/article/view/89