Multi-Nanoparticle Synergy in Ultra-High-Performance Concrete: Optimizing Strength, Durability, and Shrinkage Using RSM. Journal of Thermal and Sustainable Energy Systems, [S. l.], v. 2, n. 1, p. 78–103, 2026. Disponível em: https://www.jtses.com/index.php/home/article/view/30. Acesso em: 26 sep. 2026.