Open Science Research Excellence
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 19 July 2019]. Available from: http://waset.org/publications/12686.