PULUNGAN, S. A.; SIREGAR , Z.; AMRANI, A. Determinan Indeks Pembangunan Manusia di Sumatera Utara. RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 5, n. 1, p. 13649–13656, 2026. DOI: 10.31004/riggs.v5i1.7980. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/7980. Acesso em: 3 may. 2026.