Voltammetric folic acid sensor based on nickel ferrite nanoparticles modified-screen printed graphite electrode: Original scientific paper. Journal of Electrochemical Science and Engineering, [S. l.], v. 12, n. 6, p. 1215–1224, 2022. DOI: 10.5599/jese.1607. Disponível em: https://pub.iapchem.org/ojs/index.php/JESE/article/view/1607. Acesso em: 27 feb. 2026.