S., Shittu, O.; A., Ogunwale, J.; J., Ayodele O. Total And Extractable Iron And Manganese In Soils Developed On Charnockite In Ekiti State, Nigeria. International Journal Water and Soil Resources Research (IJWSRR), [S. l.], v. 1, n. 1-3, p. 83–93, 2023. Disponível em: https://icidr.org.ng/index.php/ijwsrr/article/view/25. Acesso em: 12 may. 2025.