“Refractive Index, Band Gap and Oscillator Parameters of ZnO: (PNaphtholbenzenin(α)) Flims”, Euro.J.Ph.Ch.Ma., vol. 19, pp. 131–140, Jun. 2023, Accessed: Jan. 21, 2026. [Online]. Available: https://geniusjournals.org/index.php/ejpcm/article/view/4656