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. Tersedia pada: <http://103.29.196.112/index.php/jaa/article/view/67664>. Tanggal Akses: 04 mar. 2026