Removal of Copper (II) Ions from Aqueous Solution Using Pine Activated Carbon. Libyan Journal of Ecological & Environmental Sciences and Technology, [S. l.], v. 1, n. 1, p. 47–54, 2019. DOI: 10.63359/a904qy57. Disponível em: https://www.srcest.org.ly/journal/index.php/ljest/article/view/232. Acesso em: 25 sep. 2025.