Thaim, Thuraiya, Ruwaida Abdul Rasid, and Wan Muhamad Syafiq Wan Ismail. “Torrefaction of Oil Palm Fronds (OPF) As a Potential Feedstock for Energy Production Processes”. Journal of Environmental Engineering and Landscape Management 27, no. 2 (April 2, 2019): 64–71. Accessed August 14, 2025. https://mla.vilniustech.lt/index.php/JEELM/article/view/9315.