Char of Tagetes erecta (African marigold) flower as a potential electrode material for supercapacitors: Original scientific paper. J. Electrochem. Sci. Eng. [Internet]. 2022 Jul. 25 [cited 2025 Nov. 13];12(4):787-9. Available from: https://pub.iapchem.org/ojs/index.php/JESE/article/view/1381