S. Balaji and V. Swaminathan and K. Kannan, Optimization of Unweighted Minimum Vertex Cover. journal = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology. July 2010, vol. 43(7). 941 - 946 [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/12686.