N. Murugesan, and B. Samyukthavarthini. “(s,t)-Dominating Polynomials in Graphs”. Malaya Journal of Matematik 9, no. 01 (January 1, 2021): 573–576. Accessed November 22, 2024. https://www.malayajournal.org/index.php/mjm/article/view/1082.