Naukushu, S. T. “Comparing learners’ Performance in Writing Formulae of Compounds and Balancing of Equations in Grade 11 at a Selected School in Oshana Region, Namibia”. Namibia Educational Reform Forum Journal, vol. 32, no. 1, Aug. 2024, pp. 23-31, https://journals.nied.edu.na/index.php/nerfj/article/view/135.