On Еc-Continuous and δ-ßc-Continuous Mappings in Topological Spaces Via Еc-open and δ-ßc-open sets. Iraqi Journal of Science, [S. l.], v. 63, n. 7, p. 3120–3134, 2022. DOI: 10.24996/ijs.2022.63.7.33. Disponível em: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/3070.. Acesso em: 3 aug. 2025.