Fig. 4
From: Further results on edge even graceful labeling of the join of two graphs
An edge even graceful labeling of the graphs K1+ W9, K1+ W11, K1+ W5 and K1+ W7
Fig. 4 | 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 the graphs K1+ W9, K1+ W11, K1+ W5 and K1+ W7