MHD SARIF, S.; HIDAYATULLAH, R. A.; FIRMANSAH, Y. Ubudiyyah in action at Syarikat Sam Luhur: Growing a Business by Preserving a Mission. IIUM Journal of Case Studies in Management, [S. l.], v. 17, n. 3, 2026. Disponível em: https://journals.iium.edu.my/ijcsm/index.php/jcsm/article/view/366. Acesso em: 17 aug. 2026.