Sugiharto, Budi, Sudjito Soeparman, Denny Widhiyanuriyawan, and Slamet Wahyudi. 2017. “Simulasi Kincir Angin Savonius Dengan Variasi Pengarah”. ReTII, January. //journal.itny.ac.id/index.php/ReTII/article/view/339.