PHUA, Huaysze; ABDULLAH, Noryusliza. Hup Lee Coffee Trading Management System. Applied Information Technology And Computer Science, [S. l.], v. 6, n. 1, p. 140–158, 2025. Disponível em: https://periodical.uthm.edu.my/index.php/aitcs/article/view/16238. Acesso em: 14 aug. 2026.