V. J. Jalal, S. S. Abdulkareem, D. . A. Mohammed, K. F. . Ebrahim, and S. M. Najmadeen, “An Investigation into the Influence of Silver Nanoparticles on the Refractive Index of AgNO₃-Doped PVP/PVA Nanocomposites via the Refractive Index-Band Gap Energy Paradigm”, J. Stud. Sci. Eng., vol. 6, no. 1, pp. 174–188, Jun. 2026.