Baggio EY, Bagio TH, Tistogondo J. Mix design programming for normal concrete using cubic equation. Astonjadro [Internet]. 2023 Jan. 3 [cited 2024 May 9];12(1):77-85. Available from: https://ejournal.uika-bogor.ac.id/index.php/ASTONJADRO/article/view/7143