Daud, Z. (2019) “Ammoniacal Nitrogen Removal Using flamboyant pods ( Delonix Regia) Adsorbent for Natural Rubber Wastewater Treatment”, International Journal of Integrated Engineering, 10(9). Available at: https://journal.uthm.edu.my/index.php/ijie/article/view/3651 (Accessed: 7 August 2026).