D. K. Thakkar, B. M. Kakrecha. Vertex Removal and the Edge Domination Number of Graphs. Int. J. Math. And Appl. [Internet]. 2016 May 1 [cited 2025 Nov. 15];4(2 - A):1-5. Available from: http://ijmaa.in/index.php/ijmaa/article/view/999