Amran N, Nasrul Fikry Che Pa. Characterization of Activated Carbon Fibre Derived from Palm Empty Fruit Bunch Waste and Cassava Stem for Urea Adsorption. peat [Internet]. 2021 Jun. 16 [cited 2026 Aug. 15];2(1):74-8. Available from: https://periodical.uthm.edu.my/index.php/peat/article/view/1051