1.
Perdana I, Lenny L, Bendiyasa IM. Regeneration of geothermal-sludge based sodium silicate catalyst for transesterification of palm oil with methanol. J. Mech. Eng. Sci. [Internet]. 2018 Dec. 27 [cited 2024 Apr. 16];12(4):4030-43. Available from: https://journal.ump.edu.my/jmes/article/view/1082