Mr. B. Senthilkumar, J.Rajeshkumar. “A Semi-Total Domination Number of a Graph”. International Journal on Future Revolution in Computer Science & Communication Engineering 5, no. 8 (August 31, 2019): 13–15. Accessed May 5, 2024. http://www.ijfrcsce.org/index.php/ijfrcsce/article/view/2005.