SAEED, M. .; RAHMAN, A. U. .; IMRAN HARL, M. . An Abstract Approach to W-Structures Based on Hypersoft Set with Properties. Neutrosophic Sets and Systems, [S. l.], v. 48, p. 433-442, 2022. Disponível em: http://fs.unm.edu/NSS2/index.php/111/article/view/2114. Acesso em: 12 aug. 2022.