Influence of Professional Development on Teachers Effectiveness in Selected Public Secondary Schools in Geita District, Geita-Tanzania. International Journal of Education Foundations, [S. l.], v. 2, n. 5, p. 465–474, 2025. DOI: 10.33687/ijef.002.05.0072. Disponível em: https://ijef.esciencepress.net/index.php/journal/article/view/72. Acesso em: 6 nov. 2026.