KRAVCHINA, Oksana Ye. MAIN APPROACHES OF FREE SOFTWARE APPLICATION IN EDUCATIONAL INSTITUTIONS ABROAD. Information Technologies and Learning Tools, [S. l.], v. 20, n. 6, 2011. DOI: 10.33407/itlt.v20i6.372. Disponível em: https://journal.iitta.gov.ua/index.php/itlt/article/view/372.. Acesso em: 4 may. 2024.