Purbaningtias, Tri Esti, and Sandy. “Evaluation of Ethanol Grade on the Robustness of Acid Number Determination in Fish Oil”. Indonesian Journal of Chemical Analysis (IJCA) 7, no. 2 (September 30, 2024): 142–149. Accessed October 16, 2024. https://journal.uii.ac.id/IJCA/article/view/35811.