Odilbekovich, Samandarov Khushnudbek, and Mamurova Feruza Islomovna. “Technology of Work on the Replacement of Contaminated Ballast below the Sole of Sleepers”. New Scientific Trends and Challenges (ITALY) (January 26, 2023): 21–24. Accessed October 4, 2024. https://openconference.us/index.php/trends/article/view/481.