ЦАРИК, О. Р. Usability evaluation of e-learning applications. Proceedings of National Aviation University (archive), [S. l.], v. 55, n. 2, p. 266–270, 2013. DOI: 10.18372/2306-1472.55.5484. Disponível em: http://jrnl.kai.edu.ua/index.php/visnik/article/view/5484. Acesso em: 13 jun. 2026.