MUHAMMAD LUTFY, A. D.; BINTI MUHAMMAD BASRI, C. S. M. Online Ordering Systems: Development of Order Calculation using a Web-Based Calculator. Enhanced Knowledge in Sciences and Technology, [S. l.], v. 3, n. 1, p. 135–142, 2023. Disponível em: https://publisher.uthm.edu.my/periodicals/index.php/ekst/article/view/10289. Acesso em: 1 mar. 2024.