Oliveira, M., M. Poletto, and T. Cassol Severo. “Chemical Route for the Production of Graphene Oxide from Commercial Graphite Oxidation”. Interdisciplinary Journal of Applied Science, vol. 3, no. 6, Dec. 2018, pp. 16-20, https://sou.ucs.br/revistas/index.php/ricaucs/article/view/67.