et. al., Sathikala L,. “Connected and Total Vertex Covering in Graphs”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 2 (April 11, 2021): 2180 – 2185. Accessed November 7, 2025. https://www.turcomat.org/index.php/turkbilmat/article/view/1901.