GAVRILOWA, Tatiana; JIN, HaiNan. Managing Educational Knowledge Using Visual Ontologies. Studia Informatica. System and information technology, [S. l.], v. 10, n. 1, p. 49–60, 2008. Disponível em: https://czasopisma.uph.edu.pl/studiainformatica/article/view/2831. Acesso em: 25 nov. 2024.