Y. Tajunnisa, A. R. Amalia, and W. D. Pratiwi, “A Comparative Analysis of Superplasticizer Effects on the Flowability and Early Strength Development in Fly Ash Based Ultra High-Performance Concrete”, ijscet, vol. 16, no. 3, pp. 118–127, Dec. 2025, Accessed: Mar. 11, 2026. [Online]. Available: https://penerbit.uthm.edu.my/ojs/index.php/IJSCET/article/view/18891