DAGNEW, Tilahun; BANTIE, Zenamarkos. Process optimization of Cr(VI) removal from aqueous solution using activated orange peel for treatment of tannery wastewater. Ethiopian Journal of Science and Technology, [S. l.], v. 16, n. 1, p. 51–75, 2025. Disponível em: https://journals.bdu.edu.et/index.php/jste/article/view/2891. Acesso em: 30 apr. 2026.