Assessment of Potentially Harmful Elements (PHEs) in Farm Soils Near Abandoned Tin–Columbite Mine Sites, Jos, Barkin Ladi, North-Central Nigeria. Geosciences Review, [S. l.], v. 2, n. 1, p. 30–47, 2026. DOI: 10.70882/georev2026.2(1)17. Disponível em: https://georev.org/index.php/georev/article/view/17. Acesso em: 12 sep. 2026.