Khudhair, M. M. .; Sarhan, S. T. .; Al-Ameri, . S. A. .; Saleh, T. A. . . Estimation of Fatty Acids Methyl Esters FAME of Castor Oil in biodiesel samples Using Refractive Index, Density, and Dynamic viscosity measurements. Iraqi Journal of Science 2026, 67 (2), 578-589. https://doi.org/10.24996/ijs.2026.67.2.1.