HAREASANG, W. . The Online Operating time Management System. SSKRU Research and Development Journal, Sisaket, Thailand, v. 7, n. 2, p. 31–37, 2020. Disponível em: https://so01.tci-thaijo.org/index.php/sskru-resarch/article/view/245191. Acesso em: 19 feb. 2025.