TampubolonJamson H, Delvian Delvian, and RaufAbdul. “ Analisis Pendapatan Usahatani Tanaman Hortikultura Di Food Estate Humbang Hasundutan”. Jurnal Agribisnis Indonesia (Journal of Indonesian Agribusiness) 12, no. 2 (December 27, 2024): 246-258. Accessed February 23, 2025. https://journal.ipb.ac.id/index.php/jagbi/article/view/56639.