FARHADUZZAMAN, M.; ABDULLAH, W. H.; ISLAM, M. A.; SIA, S. G. Quality Assessment of the Permian Coals from Dighipara Basin, Bangladesh Based On Proximate, Ultimate and Microscopic Analyses. Journal of Bangladesh Academy of Sciences, [S. l.], v. 39, n. 2, p. 177–194, 2015. DOI: 10.3329/jbas.v39i2.25951. Disponível em: https://banglajol.info/index.php/JBAS/article/view/25951. Acesso em: 20 oct. 2024.