Prananto, H. D., E. Budi, and H. Nasbey. “RANCANG BANGUN TURBIN ANGIN VERTIKAL TIPE HYBRID SAVONIUS-DARRIEUS DENGAN PERBEDAAN JUMLAH SUDU”. PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL), Vol. 3, Oct. 2014, pp. 343 -46, https://journal.unj.ac.id/unj/index.php/prosidingsnf/article/view/5545.