Karim, Md. Rezaul, and Md. Saidur Rahman. “On a Class of Planar Graphs With Straight-Line Grid Drawings on Linear Area”. Journal of Graph Algorithms and Applications 13, no. 2 (February 1, 2009): 153–177. Accessed June 30, 2024. https://jgaa.info/index.php/jgaa/article/view/paper181.