Jaya, Kadek Ambara, Johny Soedarsono, Yudha Pratesa, Rini Riastuti, and Agus Kaban. “Development of a Preliminary Model for Addressing Naphthenic Acid Corrosion of ASTM A-335 P9 Using an Eco-Enzyme Green Inhibitor on Heavy-Vacuum Gas Oil Residue”. Eastern-European Journal of Enterprise Technologies 6, no. 6 (138) (December 30, 2025): 28–41. Accessed January 17, 2026. https://journals.uran.ua/eejet/article/view/347916.