Approbation of the express penetration method for assessing the strength of sedimentary cohesive rocks. Academic journal Industrial Machine Building Civil Engineering, [S. l.], v. 2, n. 61, p. 14–22, 2023. DOI: 10.26906/znp.2023.61.3777. Disponível em: https://ojs35.nupp.edu.ua/znp/article/view/3777. Acesso em: 23 dec. 2025.