Some Interval-Valued Pythagorean Fuzzy Weighted Averaging Aggregation Operators and Their Application to Multiple Attribute Decision Making. Punjab University Journal of Mathematics, [S. l.], v. 50, n. 2, p. 109–125, 2018. Disponível em: https://pujm.pu.edu.pk/index.php/pujm/article/view/133. Acesso em: 28 jun. 2025.