فهرس المقالات Neda Yekezare المقاله 1 - A ($2-\varepsilon$)-approximation ratio for vertex cover problem on special graphs 20.1001.1.22520201.2023.12.02.4.4 10.30495/jlta.2023.703516 N. Yekezare M. Zohrehbandian M. Maghasedi Journal of Linear and Topological Algebra , العدد 2 , السنة 12 , بهار 2023