ABDUNABI, Faraj; SHLETIET, Ahmed. Approximation of Continuous Set Valued Mapping and Membership Function Rough Topology. Journal of Pure & Applied Sciences , [S. l.], v. 20, n. 4, p. 1–4, 2021. DOI: 10.51984/jopas.v20i4.1553. Disponível em: https://www.sebhau.edu.ly/journal/jopas/article/view/1553. Acesso em: 5 nov. 2026.