A.Zainuddin, N., et al. “Supercritical Carbon Dioxide Extraction of Leucaena Leucocephala Pod– Oil Yield & Component Identification”. International Journal of Engineering & Technology, vol. 7, no. 4.18, Nov. 2018, pp. 65-70, https://doi.org/10.14419/ijet.v7i4.18.21823.