Pabbenteng, Elisabeth Alwina, Kissan, and Zamrutdin. “EFEKTIVITAS HOT PLATE MODIFIKASI PADA PROSES ANALISIS COD (CHEMICAL OXYGEN DEMAND)”. Prosiding Seminar Nasional Terapan Riset Inovatif (SENTRINOV) 9, no. 1 (January 12, 2024): 1079 - 1084. Accessed July 3, 2024. https://proceeding.isas.or.id/index.php/sentrinov/article/view/1387.