“Vertex-Distinguishing E-Total Coloring of Complete Bipartite Graph $K_{7,n}$ When $7 ≤ N ≤ 95$”. Communications in Mathematical Research 32, no. 4 (May 14, 2021): 359–374. Accessed December 5, 2025. https://www.global-sci.com/index.php/cmr/article/view/8906.