M. K. Lanjewar, O. K. Mahadwad, and P. Patil, “Optimization of Enhanced Photocatalytic Degradation of Turquoise Blue G (TBG) Using a Cu-N:ZnO/TiO2 Nano-Heterojunction Photocatalyst via Response Surface Methodology (RSM)”, Iran. J. Catal., vol. 16, no. 2, Jun. 2026, doi: 10.57647/ijc.2026.1602.17.