Optimization of Potassium Carbonate-based DES as Catalyst in the Production of Biodiesel via Transesterification. J. Nig. Soc. Phys. Sci. [Internet]. 2023 Jan. 21 [cited 2024 May 2];5(1):1048. Available from: https://www.journal.nsps.org.ng/index.php/jnsps/article/view/1048