?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Suseno&rft.au=Suseno%2C+Wirasto+Yudho&rft.aufirst=Wirasto+Yudho&rft.date=20+May+2019&rft.degree=S1&rft.title=IMPLEMENTASI+KESELAMATAN+DAN+KESEHATAN+KERJA+SAAT+PRAKTIK+LAS+LISTRIK+DI+SMK+MUHAMMADIYAH+1+BANTUL&rft.inst=Universitas+Negeri+Yogyakarta