Char of Tagetes erecta (African marigold) flower as a potential electrode material for supercapacitors: Original scientific paper. Journal of Electrochemical Science and Engineering, [S. l.], v. 12, n. 4, p. 787–797, 2022. DOI: 10.5599/jese.1381. Disponível em: https://pub.iapchem.org/ojs/index.php/JESE/article/view/1381. Acesso em: 13 nov. 2025.