QAYS SHAKIR. Minimal and maximal soft open sets. Malaya Journal of Matematik, India, v. 4, n. 01, p. 53–58, 2016. DOI: 10.26637/mjm401/007. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/512. Acesso em: 16 jul. 2024.