NADEEM, A. Market-Based Environment Friendly Solution to Low-Rank Coal of Thar Desert. Journal of the Pakistan Institute of Chemical Engineers, [S. l.], v. 38, n. 1, p. 63–68, 2011. Disponível em: http://piche.org.pk/journal/index.php/jpiche/article/view/25. Acesso em: 19 apr. 2024.