Karim, Md. Rezaul, Md. Jawaherul Alam, and Md. Saidur Rahman. “Straight-Line Grid Drawings of Label-Constrained Outerplanar Graphs With O(n Log N) Area”. Journal of Graph Algorithms and Applications 15, no. 3 (July 1, 2011): 437–456. Accessed June 30, 2024. https://jgaa.info/index.php/jgaa/article/view/paper233.