GNATIUK, L.; BILONOH, M. Improvement of coal quarries. Theory and practice of design, [S. l.], n. 24, p. 133–141, 2021. DOI: 10.18372/2415-8151.24.16300. Disponível em: https://jrnl.nau.edu.ua/index.php/Design/article/view/16300. Acesso em: 5 dec. 2025.