Khudhair, M. M. ., Sarhan, S. T. ., Al-Ameri, . S. A. ., & Saleh, T. A. . . (2026). 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, 67(2), 578-589. https://doi.org/10.24996/ijs.2026.67.2.1