SUDIPTA GAYEN; SMARANDACHE, Florentin; SRIPATI JHA; RANJAN KUMAR. Introduction to Interval-valued Neutrosophic Subring. Neutrosophic Sets and Systems, [S. l.], v. 36, p. 220–245, 2020. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/784.. Acesso em: 18 apr. 2025.