Mapulanga, Thumah, Gilbert Nshogoza, and Ameyaw Yaw. 2023. “Students’ Perceptions of Biology Teachers’ Enacted Pedagogical Content Knowledge at Selected Secondary Schools in Lusaka Province of Zambia”. International Journal of Learning, Teaching and Educational Research 22 (1):94-111. https://ijlter.myres.net/index.php/ijlter/article/view/1497.