Assessment of Heavy Metals in Rice Using Atomic Absorption Spectrophotometry – A Study of Different Rice Varieties in Pakistan. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 20, n. 1, p. 67 – 74, 2019. DOI: 10.21743/pjaec/2019.06.09. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/165. Acesso em: 5 nov. 2025.