Wafiq Hibi. “On Regular graph,thathas Two Types of Facesthat Havingtwo Consecutive Numbers of Edges”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 14 (August 13, 2021): 1566–1571. Accessed May 4, 2024. https://www.turcomat.org/index.php/turkbilmat/article/view/10479.