et. al. RML. Results on a Chromatic Number of a Bi-polar Fuzzy Complete Bipartite Graphs and Labelling of Tri-Polar Fuzzy Graphs . TURCOMAT [Internet]. 2021Apr.11 [cited 2024Dec.22];12(2):1040-6. Available from: https://turcomat.org/index.php/turkbilmat/article/view/1118