Faktor-Faktor Yang Mempengaruhi Harga Kopi Arabica Di Sumatera Utara. DEBIT : Digital Economics, Business, and Innovation Transformation, [S. l.], v. 1, n. 1, p. 1–7, 2025. Disponível em: https://ejournal.pelitabina.com/index.php/debit/article/view/54. Acesso em: 5 feb. 2026.