YANG, Yifan. Influence of Expansive Agent on Concrete Performance in Northwest Cold Region. Academic Journal of Science and Technology, [S. l.], v. 15, n. 1, p. 61–64, 2025. DOI: 10.54097/p9yvy351. Disponível em: https://drpress.org/ojs/index.php/ajst/article/view/30374. Acesso em: 21 sep. 2026.