TAREQ, A. Z.; HUSSEIN, M. S.; ABDUJABAR, P. A. Preparation of Activated Carbon from Helhelok Stones by Chemical Activation. Science Journal of University of Zakho, [S. l.], v. 6, n. 3, p. 100–103, 2018. DOI: 10.25271/sjuoz.2018.6.3.512. Disponível em: https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/512. Acesso em: 4 may. 2024.