Petković, Sofija, Jana Petrović, Đorđe Janaćković, and Rada Petrović. 2026. “Thermal Copolymerization of Urea With Aromatic Compounds to Modify G-C3N4 for Cr(VI) Removal”. Journal of the Serbian Chemical Society, August. Belgrade, Serbia. https://doi.org/10.2298/JSC260614045P.