Hilmi, A. R., Y. E. . Setiawan, and N. Hasan. “Optical Band Gap of PMMA: Cody, ASF, and DASF Methods Compared to Tauc”. Faraday: Journal of Fundamental Physics, Research, and Applied Science, vol. 2, no. 1, Feb. 2026, pp. 24-33, doi:10.33005/faraday.v2i1.57.