Team, S. (2018). On Some Cebyˇsev Type Inequalities for ˇ Functions whose Second Derivatives are r-Convex on the Co-Ordinates: B. Meftah, khaled boukerrioua, T. Chiheb. Thai Journal of Mathematics, 16(2), 371–382. Retrieved from https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/800