Nooraldeen .O. AL-saklady, Mahioub .M. Q. Shubatah. The 2-Domination Number in Interval-Valued Fuzzy Graphs. m [Internet]. 2020Mar.16 [cited 2024Nov.23];6(3):13-0. Available from: http://13.234.104.160/index.php/m/article/view/3535