“PENENTUAN HARGA POKOK PRODUKSI KOPI BUBUK PADA PT. SENANG ABADI SORONG”. SOSCIED 3, no. 2 (November 3, 2020): 137–144. Accessed April 19, 2026. http://jurnal.poltekstpaul.ac.id/index.php/jsoscied/article/view/241.