Shahid, K. A., Sulaiman, M. A., Ghazali, N., Rahman, W. A. and Zukri, A. (2014) “Palm Oil Clinker as Drainage Layer in Green Roof System Under Malaysia Climatic Conditions”, Journal of Engineering and Technology (JET), 5(2), pp. 27–38. Available at: https://jet.utem.edu.my/jet/article/view/158 (Accessed: 29April2024).