Afippullah, Barnas E, Soemardi S, Kusumo RSNW, Al Hakim RR. Comparison of The Use of Type V and Type I Cement with Fly ash as Cementitious in Concrete against Chloride Ion Penetration using The Accelerated Method. J-GERS [Internet]. 2023 Jun. 5 [cited 2026 Feb. 27];2(1):8-15. Available from: https://journal.jgu.ac.id/index.php/jgers/article/view/38