Optimizing decision making for sustainable solar thermal energy systems within an intuitionistic fuzzy environment. Punjab University Journal of Mathematics, [S. l.], v. 57, n. 04, p. 404–434, 2025. DOI: 10.52280/pfpc9c50. Disponível em: https://pujm.pu.edu.pk/index.php/pujm/article/view/596. Acesso em: 2 sep. 2026.