Hilmi AR, Setiawan YE, Hasan N. Optical Band Gap of PMMA: Cody, ASF, and DASF Methods Compared to Tauc. Faraday [Internet]. 2026Feb.14 [cited 2026May26];2(1):24-33. Available from: https://faraday.upnjatim.ac.id/index.php/faraday/article/view/57