?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Afif%2C+Ashim+Al&rft.aulast=Afif&rft.aufirst=Ashim+Al&rft.title=Optimasi+Subsonic+Wind+Tunnel+dengan+Penambahan+Variasi+Screen+Pada+Contraction+Cone+Untuk+Eksperimen+Aerodinamika+Bodi+Kendaraan&rft.inst=Universitas+Negeri+Padang&rft.date=November+2025&rft.degree=Bachelor%2FSkripsi