Efektivitas Arang Kumea Variasi Hcl Dalam Menurunkan Cr6+ Dan Crt Pada Limbah Industri Nikel. Window of Public Health Journal, [S. l.], v. 7, n. 1, p. 66–76, 2026. DOI: 10.33096/xwbzs021. Disponível em: http://103.133.36.91/index.php/woph/article/view/2545. Acesso em: 30 mar. 2026.