ÁDÁMKÓ, Éva. Online self-learning. International Journal of Engineering and Management Sciences, [S. l.], v. 5, n. 1, p. 542–553, 2020. DOI: 10.21791/IJEMS.2020.1.44. Disponível em: https://ojs.lib.unideb.hu/IJEMS/article/view/5681.. Acesso em: 19 may. 2024.