NAJAFI, M.; RAFIEE, R. Development of a new index for methane drainageability of a coal seam using the fuzzy rock engineering system. Rudarsko-geološko-naftni zbornik, [S. l.], v. 34, n. 4, 2019. DOI: 10.17794/rgn.2019.4.4. Disponível em: https://hrcak.srce.hr/ojs/index.php/rgn/article/view/8974. Acesso em: 24 apr. 2024.