Manik, Ledy Lurini, Marihot Manullang, Jhonson A Marbun, and Ringkop Situmeang. “Strategi Pengembangan Agribisnis Jagung Di Kecamatan Gunung Maligas Kabupaten Simalungun”. Jurnal Regional Planning 5, no. 1 (February 27, 2023): 1–10. Accessed November 24, 2024. https://jurnal.usi.ac.id/index.php/jrp/article/view/559.