A Comparative Study of Impeller Modification Techniques on the Performance of the Pump as a Turbine.Published in:International Journal of Rotating Machinery, 2022, v. 2022, p. 1, doi. 10.1155/2022/1944753By:Nasir, Abdulbasit;Dribssa, Edessa;Girma, Misrak;Demeke, TameratPublication type:Article