Penjor, Tshering, Tshering Penjor, Karma Utha, and Kinley Seden. “Effectiveness of Simulation in Teaching Geometrical Optics”. International Journal of English Literature and Social Sciences (IJELS) 7, no. 5 (October 7, 2022). Accessed December 22, 2024. https://journal-repository.com/index.php/ijels/article/view/5548.