JEAN-PIERRE DUBOIS; SUN-HO PARK. Teacher Professional Development and Classroom Effectiveness: Longitudinal Evidence from Public Schools. International Journal of Education Research, [S. l.], v. 1, n. 1, 2026. Disponível em: https://isipress.org/index.php/IJER/article/view/39. Acesso em: 6 apr. 2026.