YUCEL, F.; ORAL, O.; CAGLAYAN, N.; TECIMEN, M.; KOCAK, S.; YUCE, E. Design and Implementation of a Personal Computer Authorization System using Color Detection. Elektronika ir Elektrotechnika, [S. l.], v. 115, n. 9, p. 97–100, 2011. DOI: 10.5755/j01.eee.115.9.758. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/758.. Acesso em: 8 feb. 2026.