WINATA, W. F.; HERMAWAN, P. .; NURBALIA, . E. . Effect of Phenol–Formaldehyde Molar Ratio on the Physicochemical Properties of Phenolic Synthetic Tanning Agent (Syntan). EKSAKTA: Journal of Sciences and Data Analysis, [S. l.], v. 7, n. 1, 2026. DOI: 10.20885/EKSAKTA.vol7.iss1.art10. Disponível em: https://journal.uii.ac.id/Eksakta/article/view/48307. Acesso em: 6 jun. 2026.