1. International Energy Agency (IEA). Innovation: Technologies that can convert woody feedstocks into biofuels need to be proven at scale in the next few years 2022. https://www.iea.org/energy-system/low-emission-fuels/biofuels (accessed August 5, 2023). .
2. Oil palm ECONOMIC performance in Malaysia and R&D progress in 2022;Ahmad Parveez;J Oil Palm Res,2023
3. Oil palm biomass biorefinery for sustainable production of renewable materials;Hassan;Biotechnol J,2019
4. An overview of OPS from oil palm industry as feedstock for bio-oil production;Qureshi;Biomass Convers Biorefinery,2019