LEE, G. Y.; AB.AZIZ, R. TIME-SHIFT MANAGEMENT SYSTEM. Applied Information Technology And Computer Science, [S. l.], v. 3, n. 1, p. 1272–1288, 2022. Disponível em: https://publisher.uthm.edu.my/periodicals/index.php/aitcs/article/view/2557. Acesso em: 28 jan. 2023.