Mohammed, W.T. and Abdul Jabbar, M.F. 2015. Esterification of Free Fatty Acid with High Chain Alcohol for Biodiesel Production Using Semi-Batch Reactive Distillation. Iraqi Journal of Chemical and Petroleum Engineering. 16, 4 (Dec. 2015), 11–19. DOI:https://doi.org/10.31699/IJCPE.2015.4.2.