SYAFRIADI, S.; ADRIANA, R.; RIYANTO, A. Effect of Concentration Variation of Cacao Leaf Extract (Theobroma cacao.) Inhibitor on the Corrosion Rate of ST 37 Steel in 3% HCl Solution. Journal of Energy, Material, and Instrumentation Technology, [S. l.], v. 4, n. 1, p. 1–9, 2023. DOI: 10.23960/jemit.v4i1.35. Disponível em: http://jemit.fmipa.unila.ac.id/index.php/jurnal/article/view/35. Acesso em: 12 oct. 2025.