1. Synthesis, catalysts and enhancement technologies of biodiesel from oil feedstock – A review;Wang;Sci Total Environ,2023
2. Hamid S. Production and purification of fatty acid methyl esters from plant oils of different origin. 2011.
3. Statista. Biodiesel consumption in the United States from 2007 to 2022. Https://WwwStatistaCom/Statistics/509894/Consumption-Volume-of-Biodiesel-in-the-Us/?Gad_source=1&gclid=EAIaIQobChMIkLXR-Rz0gwMVnU-RBR1oTAmZEAAYASAAEgJjOfD_BwE 2022:509894.
4. Catalytic Transesterification of Coconut Oil in Biodiesel Production: A Review;Ahmad;Catal Surv from Asia,2022
5. Synthesis of nano-CaO catalyst with SiO2 matrix based on palm shell ash as catalyst support for one cycle developed in the palm biodiesel process;Manurung;Case Stud Chem Environ Eng,2023