Muh Alwan Rosyidi, Arif Hidayat Purwono, Dominicus Danardono Dwi Prija Tjahjana, Eko Prasetya Budiana, and Syamsul Hadi. “Effect of the Blade Curvature Angle to Power Generation on the Drag Type Horizontal Axis Water Turbine”. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, vol. 49, no. 2, Sept. 2018, pp. 115-20, https://semarakilmu.com.my/journals/index.php/fluid_mechanics_thermal_sciences/article/view/2844.