Br. Manurung, Dewi Sartika, Siti Mardiana, and Mitra Lubis. “Analisis Pendapatan Petani Penangkar Benih Padi (Oryza Sativa L.) Di Kabupaten Simalungun”. Agroland: Jurnal Ilmu-ilmu Pertanian 27, no. 1 (June 23, 2020): 60-67. Accessed November 28, 2024. http://518849.wannyin.cyou/index.php/agrolandnasional/article/view/149.