Computer Sciences and Communications Vol. 2, № 2 (2013). COMPUTER SCIENCES AND COMMUNICATIONS, [S. l.], v. 2, n. 2, 2018. DOI: 10.6666/csc.v2i2.7. Disponível em: https://csc.bfu.bg/index.php/CSC/article/view/7. Acesso em: 14 oct. 2026.