Mathew Varkey T.K , Mini.S.Thomas. “Cubic Harmonious Labeling Of Certain Star and Bistar Graphs”. International Journal of Emerging Trends in Science and Technology 4, no. 11 (November 30, 2017): 6301-6305. Accessed September 29, 2024. https://ijetst.igmpublication.org/index.php/ijetst/article/view/1190.