Sithivinayagam, S., Vincent, S., Pattanaik, A., & Krishnan, K. (2026). Optical Properties of Polymers Under Gamma Irradiation: A Systematic Review 2020–2025. Lensa: Jurnal Kependidikan Fisika, 14(1), 55–82. https://doi.org/10.33394/j-lkf.v14i1.19859