MALINGA, C. B.; JITA, L. C.; BADA, A. A. Instructional Leadership Capacity of Secondary School Science Heads of Department in Gauteng, South Africa. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 20, n. 12, p. 267–293, 2021. Disponível em: http://www.ijlter.myres.net/index.php/ijlter/article/view/759. Acesso em: 17 apr. 2026.