“Analysis of Sand Grain Characteristics and Permeability Using Hazen Formula and Laboratory Test”. Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi 7, no. 2 (July 31, 2025): 249–256. Accessed August 23, 2025. https://journal.univpancasila.ac.id/index.php/asiimetrik/article/view/8871.