Handayani, T., Mandasari, F., Ellysa, E., & Pranata MH, A. A. (2022). Optimization Compresion Strength Of Concrete Using The Deterministic System With Simpleks Method . Jurnal Ilmiah Multidisiplin Indonesia (JIM-ID), 1(02), 52–57. https://doi.org/10.58471/esaprom.v1i02.339