Natalisanto, Adrianus Inu, and Sri Purwaningsih. “REFORMULATION OF GEOMETRIC OPTICS WITHIN THE FRAMEWORK OF ABELIAN U(1) GAUGE THEORY: A NOVEL APPROACH TO UNDERSTANDING LIGHT PROPAGATION”. Indonesian Physical Review 8, no. 2 (May 24, 2025): 540–552. Accessed May 28, 2025. https://ipr.unram.ac.id/index.php/ipr/article/view/464.