LUMBANTOBING, AGAPE; SUDARMA, I MADE; WIDHIANTHINI, WIDHIANTHINI. Potensi Pengembangan Komoditas Perkebunan di Kabupaten Tapanuli Utara, Sumatera Utara. Jurnal Agribisnis dan Agrowisata (Journal of Agribusiness and Agritourism), [S.l.], p. 239-248, dec. 2020. ISSN 2685-3809. Available at: <https://ojs.unud.ac.id/index.php/jaa/article/view/67664>. Date accessed: 04 may 2024.