Pythagorean Fuzzy Multisets and their Applications to Therapeutic Analysis and Pattern Recognition. Punjab University Journal of Mathematics, [S. l.], v. 52, n. 4, p. 15–40, 2025. Disponível em: https://pujm.pu.edu.pk/index.php/pujm/article/view/335. Acesso em: 29 jun. 2025.