Synthesis of Chitosan/Graphene Oxide-Ferric Oxide Composite via Coprecipitation: An Upgraded Adsorbent Material for Methylene Blue Dye Removal. Tikrit Journal of Engineering Sciences, [S. l.], v. 33, n. 2, p. 1–14, 2026. DOI: 10.25130/tjes.33.2.3. Disponível em: http://www.tj-es.com/ojs/index.php/tjes/article/view/2502.. Acesso em: 17 oct. 2026.