An Indicator of One’s Life Satisfaction. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 11, n. 3, p. 553–574, 2018. DOI: 10.29020/nybg.ejpam.v11i3.3313. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/3313. Acesso em: 22 nov. 2024.