Effect of Wastewater Irrigation on Trace Metal Accumulation in Spinach (Spinacia oleracea L.) andHuman Health Risk. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 21, n. 1, p. 92 – 101, 2020. DOI: 10.21743/pjaec/2020.06.11. Disponível em: http://pjaec.pk/index.php/pjaec/article/view/125. Acesso em: 3 jul. 2025.