Purwanto H, Wardani UC. PENGARUH PENAMBAHAN SERBUK BESI TERHADAP KUAT TEKAN BETON MUTU K225. def [Internet]. 2020 Dec. 27 [cited 2024 May 9];5(2):103-12. Available from: https://jurnal.univpgri-palembang.ac.id/index.php/deformasi/article/view/5039