HVS Wastepaper as Low-Cost Adsorbent for Pb(II) Treatment. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 23, n. 1, p. 61–69, 2024. DOI: 10.21743/pjaec/2022.06.06. Disponível em: https://pjaec.pk/index.php/pjaec/article/view/19. Acesso em: 3 jul. 2025.