“ANALISIS EFISIENSI PEMASARAN KOPI ARABIKA DI KOTA SUNGAI PENUH PROVINSI JAMBI ”. JALOW | Journal of Agribusiness and Local Wisdom 4, no. 1 (June 16, 2021): 55–64. Accessed October 3, 2026. https://online-journal.unja.ac.id/JALOW/article/view/13323.