SHAKIRULLAH; AFRIDI, M. I. Mineral development profile of North West Frontier Province and the role of Directorate General Mines and Minerals in the mineral resources development. Journal of Himalayan Earth Sciences, [S. l.], v. 37, n. 1, p. 139-154, 2004. Disponível em: http://ojs.uop.edu.pk/jhes/article/view/1581. Acesso em: 29 dec. 2024.