Geochemical assessment of groundwater around Razgah area, Sarab district, Northwest of Iran. African Journal of Geography and Regional Planning, [S. l.], v. 7, n. 1, p. 1–10, 2020. Disponível em: https://ijpp.org/journal/index.php/AJGRP/article/view/314. Acesso em: 11 oct. 2025.