A Time-Delayed Model and Estimation in Parabolic-Trough Solar Collectors. Contemporary Mathematics , [S. l.], v. 5, n. 4, p. 6082–6092, 2024. DOI: 10.37256/cm.5420245727. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/5727. Acesso em: 24 dec. 2025.