QUANTIFYING THE SURFACE ROUGHNESS EVALUATION OF RAILWAY BALLAST GRAIN UNDER ROTATING DRUM ABRASION. GEOMATE Journal, [S. l.], v. 26, n. 113, p. 107–114, 2024. Disponível em: https://geomatejournal.com/geomate/article/view/4391. Acesso em: 25 jun. 2026.