Verslag van de ’Educational Research Workshop on the evaluation of the effectiveness of in-service education for teachers’, Strasbourg 20-23 oktober 1980. Pedagogische Studiën, [S. l.], v. 58, n. 3, 2023. Disponível em: https://testplatform.openjournals.nl/pedagogischestudien/article/view/16027.. Acesso em: 21 sep. 2024.