Symmetry Friendship. Journal of Research and Opinion , [S. l.], v. 6, n. 1, p. 2288–2289, 2019. DOI: 10.15520/jro.v6i1.2. Disponível em: https://researchopinion.in/index.php/jro/article/view/2.. Acesso em: 21 nov. 2024.