Tajunnisa, Yuyun, Aliif Rizki Amalia, and Wiwik Dwi Pratiwi. 2025. “A Comparative Analysis of Superplasticizer Effects on the Flowability and Early Strength Development in Fly Ash Based Ultra High-Performance Concrete”. International Journal of Sustainable Construction Engineering and Technology 16 (3): 118-27. https://penerbit.uthm.edu.my/ojs/index.php/IJSCET/article/view/18891.