ZHANG, Yi. Numerical Simulation Study on the Influence of Roof-Cutting Angle on the Stability of Gob-Side Entry Retaining Without Coal Pillars. International Journal of Natural Resources and Environmental Studies, [S. l.], v. 6, n. 3, p. 78–84, 2025. DOI: 10.62051/ijnres.v6n3.09. Disponível em: https://ojs.ijnres.org/index.php/IJNRES/article/view/5649. Acesso em: 10 aug. 2026.