PRADANA, Gregorius Signer; KAMULYAN, Budi; SUPRABA, Intan. Effect of Sand Sphericity and Cement-to-sand Ratio on Effective Porosity and Permeability of Concrete Sand Filter. Inersia : Jurnal Teknik Sipil dan Arsitektur, [S. l.], v. 20, n. 2, p. 300–309, 2024. DOI: 10.21831/inersia.v20i2.76088. Disponível em: https://jurnal.uny.ac.id/index.php/inersia/article/view/76088. Acesso em: 14 may. 2025.