Putra, Eric Dwi, Slamin, Arika Indah Kristiana, Abi Suwito, and Ridho Alfarisi. “Local Total Distance Irregularity Labeling of Graph”. Statistics, Optimization & Information Computing 15, no. 3 (November 9, 2025): 1784–1790. Accessed May 13, 2026. https://iapress.org/index.php/soic/article/view/3025.