Daryono, E. D., Widi, I. K. A. and Purnomo, Y. (2025) “The effective process of waste cooking oil biodiesel production by interesterification with reaction using curcumin biocatalyst”, Eastern-European Journal of Enterprise Technologies, 4(6 (136), pp. 14–22. doi: 10.15587/1729-4061.2025.333086.