MANOJ B CHANDAK. An approach for Queue Management to maintain social distancing at billing counter. SJIS-P, [S. l.], v. 35, n. 1, p. 333–341, 2023. Disponível em: http://sjis.scandinavian-iris.org/index.php/sjis/article/view/292. Acesso em: 2 may. 2024.