SIREGAR, Indra Herlamba; EFFENDY, Moch; RASYID, Akhmad Hafizh Ainur. Pengaruh Penambahan Free dan Fix Drag Reducing Pada Bilah terhadap Kinerja Turbin Angin Savonius. Otopro, [S. l.], v. 13, n. 2, p. 63–66, 2019. DOI: 10.26740/otopro.v13n2.p63-66. Disponível em: https://journal.unesa.ac.id/index.php/jo/article/view/4966. Acesso em: 10 jun. 2025.