JIMOH W.L.O.; IMAM MOHAMMED MAHMUD. Analysis of Iron and Zinc in Soil and Spinach Grown in Irrigated Farmland of Kaduna Metropolis Nigeria. International Journal of Research in Chemistry and Environment (IJRCE), [S. l.], v. 1, n. 2, p. 141–146, 2011. Disponível em: https://ijrce.org/index.php/ijrce/article/view/100. Acesso em: 6 nov. 2024.