HARAHAP, R. D.; SADIKIN, M. Penerapan Metode First In First Out pada Sistem Self Service E-Order Berbasis QR Code. RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 4, n. 4, p. 2050–2060, 2025. DOI: 10.31004/riggs.v4i4.3834. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/3834. Acesso em: 2 jun. 2026.