HOWAARD, J.; MATAHERU, R. Open Schooling in the Netherlands. Open Schools Journal for Open Science, [S. l.], v. 2, n. 2, p. 42–45, 2019. DOI: 10.12681/osj.20430. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/openschoolsjournal/article/view/20430. Acesso em: 4 may. 2024.