NASIR, N.; DAUD, Z.; AWANG, H.; AB AZIZ, N. A.; AHMAD, B.; RIDZUAN, M. B.; ABUBAKAR, M. H.; TAJARUDIN, H. A. Utilization of Empty Fruit Bunch as Potential Adsorbent for Ammonia Nitrogen Removal in Natural Rubber Wastewater. International Journal of Integrated Engineering, v. 10, n. 8, 29 Dec. 2018.