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://mail.geniusjournals.org/index.php/erb/article/view/3844. Acesso em: 18 jun. 2026.