Mas’ud, Ibnu, and Rachmad Firdaus. “ Effect Of Rotor Blade Wing Tip On Wind Turbine Performance Using Naca 0018 Blade: Pengaruh Wing Tip Sudu Rotor Blade Terhadap Unjuk Kerja Wind Turbin Dengan Menggunakan Blade Naca 0018 ”. Procedia of Engineering and Life Science, vol. 1, no. 2, July 2021, doi:10.21070/pels.v1i2.979.