Fig. 2
From: Further results on edge even graceful labeling of the join of two graphs
An edge even graceful labeling of K1+K1,8, and K1+K1,9
Fig. 2 | Journal of the Egyptian Mathematical Society
From: Further results on edge even graceful labeling of the join of two graphs
An edge even graceful labeling of K1+K1,8, and K1+K1,9