?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Silaban&rft.au=Silaban%2C+Valco&rft.aufirst=Valco&rft.inst=Universitas+Negeri+padang&rft.date=February+2016&rft.degree=Bachelor%2FSkripsi&rft.title=Pengaruh+Parameter+Pengelasan+Spot+Welding+terhadap+Kekuatan+Geser+pada+Aluminium