BARNES, B.; WUSU-ANSAH, E. J.; AMPONSAH, S. K.; ADJEI, I. The Proofs of Triangle Inequality Using Binomial Inequalities. European Journal of Pure and Applied Mathematics, [S. l.], v. 11, n. 1, p. 352–361, 2018. DOI: 10.29020/nybg.ejpam.v11i1.3165. Disponível em: https://ejpam.com/index.php/ejpam/article/view/3165. Acesso em: 29 nov. 2023.