(m, n)-Convexity-cum-Concavity on Fuzzy Soft Set with Applications in First and Second Sense. Punjab University Journal of Mathematics, [S. l.], v. 53, n. 1, p. 19–33, 2025. Disponível em: https://pujm.pu.edu.pk/index.php/pujm/article/view/250. Acesso em: 29 jun. 2025.