ZAMBON, A. Periodicity Trees in a Secondary Criterion of Periodic Classification: Its Implications for Science Teaching and Communication. Substantia, [S. l.], v. 3, n. 2, p. 101–114, 2019. DOI: 10.13128/Substantia-502. Disponível em: https://riviste.fupress.net/index.php/subs/article/view/502. Acesso em: 3 jul. 2024.