Handayani T, Mandasari F, Ellysa E, Pranata MH AA. Optimization Compresion Strength Of Concrete Using The Deterministic System With Simpleks Method . esaprom [Internet]. 2022 Jul. 29 [cited 2025 Jan. 9];1(02):52-7. Available from: https://ejournal.seaninstitute.or.id/index.php/esaprom/article/view/339