TAHIRKHELI, D. R. A. K. Economics of the Indus River Sands. Journal of Himalayan Earth Sciences, [S. l.], v. 2, n. 1, p. 11-15, 1965. Disponível em: http://ojs.uop.edu.pk/jhes/article/view/1058. Acesso em: 29 nov. 2024.