AKDAĞ, M.; EROL, F. Upper and Lower ?-Continuity of Soft Multifunctions. American Scientific Research Journal for Engineering, Technology, and Sciences, [S. l.], v. 8, n. 1, p. 96–107, 2014. Disponível em: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/756. Acesso em: 6 may. 2024.