Team, Support. “Chromatic Numbers of Glued Graphs: C. Promsakon, C. Uiyyasathian”. Thai Journal of Mathematics 4, no. 3 (December 1, 2006): 75 –. Accessed May 5, 2024. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/70.