SHCHERBYNA, Oleksandr A. LEARNING TOOLS INTEROPERABILITY – A NEW STANDARD FOR INTEGRATION OF DISTANCE LEARNING PLATFORMS. Information Technologies and Learning Tools, [S. l.], v. 47, n. 3, p. 167–177, 2015. DOI: 10.33407/itlt.v47i3.1246. Disponível em: https://journal.iitta.gov.ua/index.php/itlt/article/view/1246.. Acesso em: 8 may. 2024.