Rada YHM, Aji P. Prediction of Concrete Strength Based on Design Parameters, Hammer Test and Test UPV by Using Artificial Neural Network (ANN). JCE [Internet]. 23 Juli 2025 [dikutip 26 Juli 2026];34(1):18. Tersedia pada: https://journal.its.ac.id/index.php/jce/article/view/7465