KATANE, Irena; KATANS, Edgars. DISTANCE EDUCATION IN HISTORICAL ASPECT. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 1, p. 309–318, 2015. DOI: 10.17770/sie2012vol1.51. Disponível em: https://archive-journals.rtu.lv/sie/article/view/690.. Acesso em: 11 mar. 2026.