Azmi, Khairul, Elva, and Widia. “The Classical Ramsey Number R(3,4)>8 Using the Weighted Graph”. Rangkiang Mathematics Journal 1, no. 1 (April 26, 2022): 34–39. Accessed October 5, 2024. https://math.ppj.unp.ac.id/index.php/RMJ/article/view/1.