Muthumanickavel, G., and M. Nalliah. “Optimizing Factory Workers Work Shifts Scheduling Using Local Antimagic Vertex Coloring”. Contemporary Mathematics 5, no. 4 (November 28, 2024): 5621–5640. Accessed December 22, 2024. https://ojs.wiserpub.com/index.php/CM/article/view/5635.