Shivolo, T. M., and U. Ramnarain. “An Investigation of the Pedagogical Orientations of Grade 8 Chemistry Teachers in Orchestrating Practical Demonstrations at Schools in Oshikoto Region, Namibia”. Namibia Educational Reform Forum Journal, vol. 28, no. 1, May 2020, pp. 44-58, https://journals.nied.edu.na/index.php/nerfj/article/view/109.