Sudjarwo, Sudjarwo, Poedjiarti S, and Angerina N. “Validation Of Spectrophotometry-Visble Method On The Determination Of Borax Levels In Meatballs”. Berkala Ilmiah Kimia Farmasi 8, no. 2 (November 29, 2021): 41–47. Accessed December 29, 2024. https://e-journal.unair.ac.id/BIKFAR/article/view/31337.