Pradana, G.S. et al. 2024. Effect of Sand Sphericity and Cement-to-sand Ratio on Effective Porosity and Permeability of Concrete Sand Filter. Inersia : Jurnal Teknik Sipil dan Arsitektur. 20, 2 (Dec. 2024), 300–309. DOI:https://doi.org/10.21831/inersia.v20i2.76088.