Alsadey, Salahaldein, and Saieed Mohamed. “Evaluation of the Superplasticizer Effect on the Workability and Strength of Concrete”. International Journal of Engineering & Technology 9, no. 1 (February 18, 2020): 198–201. Accessed April 28, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/29909.