Haimbangu, Malakia, and Moses Chirimbana. “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, no. 1 (June 16, 2024): 58–79. Accessed December 4, 2024. https://journals.nied.edu.na/index.php/nerfj/article/view/89.