Marbun, S., 		Saragih, B., & 		Hasballah, H.
(2021).
 RANCANG BANGUN MESIN PENGUPAS KULIT ARI BIJI KOPI KAPASITAS 30 KG/JAM.
<em>Jurnal Teknologi Mesin UDA, 2</em>(1), 143-150.
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