DAUD, Z.; AHMAD, B.; AWANG, H.; ABUBAKAR, M. H.; NASIR, N.; TAJARUDIN, H. A. Ammoniacal Nitrogen Removal Using flamboyant pods ( Delonix Regia) Adsorbent for Natural Rubber Wastewater Treatment. International Journal of Integrated Engineering, v. 10, n. 9, 1 Jan. 2019.