1.
Wijaya K, Herlina I, Trisunaryanti W, Nuryono, Simbolon S. Biodiesel Preparation from Oil Fraction of Crude Pond Palm Oil through ZrO2/SO3H+-Catalyzed Esterification Followed by KOH-Catalyzed Transesterification. ajc [Internet]. 2018 Feb. 28 [cited 2024 Nov. 23];30(4):724-30. Available from: https://asianpubs.org/index.php/ajchem/article/view/30_4_4