Sahilan NA, Awang Z, Hairom NHH. Performance of ZnO-Kaolin for Palm Oil Mill Secondary Effluent (POMSE) Treatment via Photocatalytic Reactor . peat [Internet]. 2023 May 25 [cited 2024 Jul. 18];4(1):841-9. Available from: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/10087