Muhamad Bashar, N., N. Abdullah, N. Abdul Aziz, N. Fahmi, I. Saiful Bahri, N. Hamzah, K. Abdul Wahab, and W. Razali. “Performance of Hybrid Rice Husk and Kapok Fiber As Alternative Liner Materials in Landfill”. Journal of Advanced Manufacturing Technology (JAMT), Vol. 12, no. 1, 1, pp. 77-88, https://jamt.utem.edu.my/jamt/article/view/4260.