A. SWAMINATHAN; MARGRET SHEELA. A Covering Property via Generalized Fuzzy Preopen Sets. Utilitas Mathematica , [S. l.], v. 122, n. 1, p. 1953–1962, 2025. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/2446. Acesso em: 7 may. 2026.