Support of The Return Airway In The Lower Slice of A Thick Coal Seam. Academic Journal of Emerging Technologies, [S. l.], v. 3, n. 1, p. 71–82, 2026. DOI: 10.63313/AJET.9055. Disponível em: https://academics.erytis.com/index.php/AJET/article/view/485. Acesso em: 26 may. 2026.