Yasyifa, A., Atin, R., Istiani, A., & Anggorowati, H. (2025). Enhancing Biodiesel Yield from Castor Seed Oil through Co-Solvent-Assisted Transesterification Using n-Hexane. Eksergi, 22(2), 106–112. https://doi.org/10.31315/eksergi.v22i2.14658