SITINJAK, Wahyunita; LUBIS, Zulkarnain; SIBUEA, Mhd Buhari. Analisis Peningkatan Daya Saing Produk Unggulan Kopi Robusta Di Kabupaten Dairi. Jurnal Ekuilnomi, [S. l.], v. 6, n. 3, p. 774–779, 2024. DOI: 10.36985/d20ddx94. Disponível em: https://jurnal.usi.ac.id/index.php/ekuilnomi/article/view/2319. Acesso em: 14 may. 2026.