Zariatin, D. L., Dwi Rahmalina, Eko Prasetyo, A. Suwandi, and M. Sumardi. “The Effect of Surface Roughness of the Impeller to the Performance of Pump As Turbine Pico Power Plant”. Journal of Mechanical Engineering and Sciences 13, no. 1 (March 29, 2019): 4693–4703. Accessed March 29, 2024. https://journal.ump.edu.my/jmes/article/view/1845.