S. Nisha Lakshmi ,V. Sujin Flower. “The Outer Connected Domination Value in Graphs and Middle Graph of a Graph”. Journal of Computational Analysis and Applications (JoCAAA) 33, no. 05 (May 20, 2024): 3080–3089. Accessed July 19, 2026. https://eudoxuspress.com/index.php/pub/article/view/4189.