Sebayang, Lukas. “Land Suitability Assessment Rubber Commodities ( Hevea Brasiliensis) In Nias Selatan District Scale 1: 250,000”. Jurnal Online Pertanian Tropik 10, no. 2 (January 3, 2024): 32-37. Accessed December 23, 2024. https://talenta.usu.ac.id/jpt/article/view/12210.