Fathin Ayuni Azizan, Munira Mohamed Nazari, and Muhamad Qauyum Zawawi Ahamad Suffin. 2025. “Effect of Pyrolysis Conditions on the Surface Morphology and Composition of Sewage Sludge-Derived Biochar”. Advanced and Sustainable Technologies (ASET) 4 (2):345-53. https://doi.org/10.58915/aset.v4i2.2702.