WIJAYA, A.; SOEDARSONO, J. W.; LAKSANA, A. P. Study of mixing purple sweet potato and turmeric extract as green corrosion inhibitor for API-5L in NaCl 3.5% environment. Jurnal Pendidikan Teknologi Kejuruan, Padang, Indonesia, v. 4, n. 4, p. 140–145, 2021. DOI: 10.24036/jptk.v4i4.21823. Disponível em: https://jptk.ppj.unp.ac.id/index.php/jptk/article/view/218. Acesso em: 21 nov. 2024.