YOUSAFZAI, M. A. Major Ion Chemistry of Groundwaters From the Peshawar Intermontane Basin, NWFP, Pakistan. Biological Sciences - PJSIR, [S. l.], v. 51, n. 3, p. 140–146, 2008. Disponível em: http://www.biostaging.pjsir.org/index.php/biological-sciences/article/view/658. Acesso em: 8 jun. 2025.