Chairul Imron, and Suhud Wahyudi. “RITICAL ET F DGE AGIC OTAL ABELING F XPANDING YCLE RAPH”. Limits: Journal of Mathematics and Its Applications 7, no. 2 (November 15, 2010): 41. ccessed December 6, 2025. https://journal.its.ac.id/index.php/limits/article/view/5263.