K.P. Vineesh, and V. Anil Kumar. “Neighbourhood \(V_4\)-Magic Labeling of Some Subdivision Graphs”. Malaya Journal of Matematik 8, no. 02 (April 1, 2020): 499–501. Accessed July 16, 2024. https://www.malayajournal.org/index.php/mjm/article/view/1440.