Rosli, Mohd Arif, Zawawi Daud, Halizah Awang, Ab Aziz Abdul Latiff, Adnan Zainorabidin, and Azhar Abdul Halim. 2017. “The Effectiveness of Peat-AC Composite Adsorbent in Removing SS, Colour and Fe from Landfill Leachate”. International Journal of Integrated Engineering 9 (3). https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/1600.