TOLL, V. Küllus planetaarsetes piirides. Eesti Haridusteaduste Ajakiri. Estonian Journal of Education, [S. l.], v. 12, n. 2, p. 221–223, 2024. DOI: 10.12697/eha.2024.12.2.09. Disponível em: https://ojs.utlib.ee/index.php/EHA/article/view/24586. Acesso em: 31 oct. 2024.