USATYI, V.; TYTARENKO, N. Matrix method for modeling economic tasks. Ukrainian Journal of Educational Studies and Information Technology, [S. l.], v. 5, n. 1, p. 324–327, 2017. DOI: 10.32919/10.32919/uesit.2017.01.324-327. Disponível em: https://uesit.org.ua/index.php/itse/article/view/181. Acesso em: 30 may. 2023.