Malfinora, Anike, et al. “PENGARUH KONSENTRASI INHIBITOR EKSTRAK DAUN KAKAO (Theobroma Cacao) TERHADAP LAJU KOROSI BAJA HARDOX 450”. Jurnal Fisika Unand, vol. 3, no. 4, Oct. 2024, pp. 222-8, doi:10.25077/jfu.3.4.222-228.2014.