E. W. Kurniawan, “Pengaruh Tekanan pada Mesin Pres terhadap Persentase Kehilangan Minyak (Oil Losses) pada Stasiun Pengepresan di Pabrik Minyak Sawit PT. Sentosa Kalimantan Jaya Berau: The Effect of Pressing Machine Pressure on the Percentage of Oil Losses at the Pressing Station of PT. Sentosa Kalimantan Jaya Berau Palm Oil Mill”, buletinloupe, vol. 18, no. 02, pp. 111–116, Dec. 2022.