?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=HALOMOAN%2C+SAPUTRA&rft.aulast=HALOMOAN&rft.aufirst=SAPUTRA&rft.degree=Other&rft.date=16+November+2015&rft.inst=Sekolah+Tinggi+Teknologi+Dumai&rft.title=PREVENTIVE+MAINTENANCE+MOTOR+LISTRIK+3+FASA+DI+PT+NIRA+MURNI+KONTRUKSI