Hardiatama, Intan. 2018. “Pengaruh Penambahan Diffuser Terhadap Performa 3D Print Turbin Hidrokinetik Helical Savonius (Twist Angle 45o)”. Jurnal Teknik Mesin (Journal Of Mechanical Engineering) 7 (2). Jakarta, Indonesia:75-82. https://doi.org/10.22441/jtm.v7i2.2853.