Sk Amanathulla, Biswajit Bera, & Madhumangal Pal. (2021). \text { Surjective } L(3,1) \text {-labeling of circular-arc graphs }. Malaya Journal of Matematik, 9(01), 925–929. Retrieved from https://www.malayajournal.org/index.php/mjm/article/view/1198