Adi, Amir Kerisna, Kiagus Ahmad Roni, and Eko Ariyanto. 2025. “Optimization of Compressive Strength of K-350 Concrete With Sika Viscocrete-3115 N Superplasticizer Additive”. Engineering And Technology Journal 10 (8):6593-99. https://doi.org/10.47191/etj/v10i08.48.