1.
Ayu D, Aulyana R, Astuti EW, Kusmiyati K, Hidayati N. Catalytic Transesterification of Used Cooking Oil to Biodiesel: Effect of Oil-Methanol Molar Ratio and Reaction Time. AE. 2019;2(3):73-77. doi:10.31603/ae.v2i3.2991