?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Arif&rft.au=Arif%2C+Indra+Nugroho&rft.aufirst=Indra+Nugroho&rft.date=4+June+2015&rft.title=Motivasi%2C+Persepsi+Lingkungan+Kerja+dan+Dukungan+Orang+Tua+serta+Hubunganya+terhadap+Prestasi+Praktik+Industri+Siswa+SMK+Negeri+Tembarak+2012%2F2013&rft.degree=S1&rft.inst=U+N+Y