LEIJEN, Äli; KRULL, E.; KARM, M. Preface. Eesti Haridusteaduste Ajakiri. Estonian Journal of Education, [S. l.], v. 1, p. 1–7, 2013. DOI: 10.12697/eha.2013.1.01. Disponível em: https://ojs.utlib.ee/index.php/EHA/article/view/eha.2013.1.01. Acesso em: 16 apr. 2024.