RANDALL LAW, R. L.; BAQRI, S. R. H. Black Chert Source Identified at Nammal Gorge, Salt Range. Ancient Pakistan, [S. l.], v. 14, p. 34-40, 2021. Disponível em: http://ojs.uop.edu.pk/ancientpakistan/article/view/255. Acesso em: 5 nov. 2024.