MAULANA, Y. H.; NUGROHO, N.; PRATAMA, G. U. Perancangan Sistem Ujian Online Berbasis Web Menggunakan PHP Native dan Mysql. RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 4, n. 3, p. 53–61, 2025. DOI: 10.31004/riggs.v4i3.1970. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/1970. Acesso em: 23 may. 2026.