?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Putut+Hargiyarto&rft.aulast=Putut+Hargiyarto&rft.au=Putut+Hargiyarto%2C+Putut+Hargiyarto&rft.date=2008&rft.title=Pelatihan+Keselamatan+dan+Kesehatan+Kerja+serta+Pencegahan+Kecelakaan+Kerja+bagi+Guru+dan+Teknisi+SMK+Muhammadiyah+3+Yogyakarta&rft.genre=proceeding