VELCNUI, E. Conferentie van de ’Comparative Education Society in Europe’ van 25-29 juni 1979 te Valencia. Pedagogische Studiën, [S. l.], v. 56, n. 5, 1979. Disponível em: https://pedagogischestudien.nl/article/view/16217.. Acesso em: 28 oct. 2025.