2026. Synthesis of Chitosan/Graphene Oxide-Ferric Oxide Composite via Coprecipitation: An Upgraded Adsorbent Material for Methylene Blue Dye Removal. Tikrit Journal of Engineering Sciences. 33, 2 (Sep. 2026), 1–14. DOI:https://doi.org/10.25130/tjes.33.2.3.