Ventilation of pits in underground mining operations. MEDICINE, PEDAGOGY AND TECHNOLOGY: THEORY AND PRACTICE, [S. l.], v. 2, n. 7, p. 16–19, 2024. Disponível em: https://www.universalpublishings.com/index.php/mpttp/article/view/6599. Acesso em: 11 nov. 2026.