A Study of Soft Sets with Soft Members and Soft Elements: A New Approach. Punjab University Journal of Mathematics, [S. l.], v. 52, n. 8, p. 1–15, 2025. Disponível em: https://pujm.pu.edu.pk/index.php/pujm/article/view/363. Acesso em: 29 jun. 2025.