DAUD, Z.; A RAHMAN, S. E.; AWANG, H.; ABUBAKAR, M. H.; RIDZUAN, M. B.; TAJARUDIN, H. A. Utilization of Waste Paper Sludge as an Alternative Adsorbent for the Adsorption of Ammonia Nitrogen and COD in Stabilized Landfill Leachate. International Journal of Integrated Engineering, [S. l.], v. 10, n. 9, 2019. Disponível em: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/3012. Acesso em: 29 may. 2023.