SISKA YULIANITA. ANALISIS PENDAPATAN USAHA GULA MERAH KELAPA (COCONAT PALM SUGAR) STUDI KASUS DI KECAMATAN SIMPANG KIRI KOTA SUBULUSSALAM. Vegetasi, [S. l.], v. 17, n. 1, 2021. Disponível em: https://siakad.univamedan.ac.id/ojs/index.php/vegetasi/article/view/152. Acesso em: 29 agu. 2025.