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Pendampingan Dalam Penentuan Harga Pokok Produksi Kopi RKB Roastery Banjarsengon Kabupaten Jember. JISS [Internet]. 2024 Jun. 28 [cited 2025 Oct. 7];3(2):99-105. Available from: https://jurnal.padangtekno.com/index.php/jiss/article/view/496