SAVITSKYI, D.; MAKAROV, A. S.; GONCHARUK, V. V. Preparation of a colloidal graphene oxide solution from natural coal . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 6, p. 87–94, 2016. DOI: 10.15407/dopovidi2016.06.087. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/10648. Acesso em: 1 aug. 2026.