IPA, Universe. Introduction, UNIVERSE, Vol. 3 No. 1. Universe, [S. l.], v. 3, n. 1, 2022. DOI: 10.24036/universe.v3i1.338. Disponível em: http://universe.ppj.unp.ac.id/index.php/universe/article/view/338. Acesso em: 20 jul. 2026.