?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Ghaffara&rft.au=Ghaffara%2C+Muhammad+Zuharmando&rft.aufirst=Muhammad+Zuharmando&rft.title=Rancang+Bangun+Virtual+Soldering+Simulator&rft.degree=Bachelor%2FSkripsi&rft.inst=Universitas+Negeri+Padang&rft.date=2021