Method for Determining the Maximum Density and Optimal Moisture Content of Coarse-Grained Soils by the Proctor Method. Eurasian Research Bulletin , [S. l.], v. 19, p. 83–87, 2023. Disponível em: https://geniusjournals.org/index.php/erb/article/view/3844. Acesso em: 6 may. 2026.