MAPULANGA, T. .; NSHOGOZA, G. .; YAW, A. . Teachers’ Perceived Enacted Pedagogical Content Knowledge in Biology at Selected Secondary Schools in Lusaka. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 21, n. 10, p. 418–435, 2022. Disponível em: http://www.ijlter.myres.net/index.php/ijlter/article/view/1450. Acesso em: 17 apr. 2026.