Alrhayyel A. A. M., Bataineh M. S. A., Alzaalig A. M. N. An Upper Bound for the Ramsey Number r(C6 , K9). JJMS [Internet]. 2025 May 18 [cited 2025 Aug. 18];5(1):75-84. Available from: https://jjms.yu.edu.jo/index.php/jjms/article/view/1145