“PENGARUH PENAMBAHAN SERBUK BESI TERHADAP KUAT TEKAN BETON MUTU K225”. Jurnal Deformasi 5, no. 2 (December 27, 2020): 103–112. Accessed June 21, 2026. https://jurnal.univpgri-palembang.ac.id/index.php/deformasi/article/view/5039.