Widjanarko, D. .; Kusumaningtyas, R. D. .; Roziqin, A. .; Daniel, D. The Effect of the Number of Stirrer Blades in the Transesterification Reactor on the Characteristics of Biodiesel and Diesel Engine Performance. J. Adv. Res. Fluid Mech. Therm. Sc. 2024, 120, 174-181.