CHEN, Yilong. Characteristics of Pore Structure in Coal from the Chengzhuang Mining Area. International Journal of Natural Resources and Environmental Studies, [S. l.], v. 8, n. 5, p. 1–7, 2026. DOI: 10.62051/. Disponível em: https://wepub.org/index.php/IJNRES/article/view/6154. Acesso em: 20 may. 2026.