Umam, A., Syarifudin, A. G., Suwastika, E., & Wardhana, I. G. A. W. (2026). Analysis of Topological Indices in Unit Graphs of Modular Integer Rings. EIGEN MATHEMATICS JOURNAL, 9(1), 19–31. https://doi.org/10.29303/emj.v9i1.306