Product of Topological Spaces: Construction methods for new topological spaces. Journal of Advances and Scholarly Researches in Allied Education, [S. l.], v. 16, n. 4, p. 1104–1108, 2019. Disponível em: https://ignited.in/index.php/jasrae/article/view/10604. Acesso em: 13 mar. 2026.