ET AL., H. L. Optimization of Working Bench Length of Inclined Composite Coal Seam Open-Pit Mine. CONVERTER, [S. l.], p. 571 - 581, 2021. DOI: 10.17762/converter.87. Disponível em: https://converter-magazine.info/index.php/converter/article/view/87. Acesso em: 6 may. 2024.