Hybrid Power Market Forecasting Using an3 Interval-Valued Hidden Markov and Fuzzy Relational4 Particle Swarm Optimization Model. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 18, n. 4, p. 6539, 2025. DOI: 10.29020/nybg.ejpam.v18i4.6539. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/6539. Acesso em: 5 dec. 2025.