Dakhi, Grecellia Mei Magdalena, et al. “Analysis of Geometric Optics Misconceptions in Physics Pre-Service Teachers Based on a Four-Tier Test Reviewed by Gender and School Origin”. Journal of Educational Sciences, vol. 10, no. 1, Jan. 2026, pp. 761-73, https://doi.org/10.31258/jes.10.1.p.761-773.