Boumesbah, I. .; Hachaïchi – Sadouk, Z. .; Tazerouti, A. . Optimization, Characterization and Properties of Biodiesel Produced from Waste Sunflower Frying Oil. J. Ren. Energies 2015, 18 (1), 9-22. https://doi.org/10.54966/jreen.v18i1.481.