E. . Falcão, T. S. . Silva, E. . Rodrigues, and S. . Martelli, “Enhancement of Optical Absorption and Bandgap Decrease of PVDF/Curcuma Longa Linn Composites: UV-Vis Technique”, J. Compos. Biodegradable Polym., vol. 13, pp. 119–125, Dec. 2025.