?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=HUTAHAEAN&rft.aufirst=EDWARD&rft.au=HUTAHAEAN%2C+EDWARD&rft.title=PENGARUH+PROGRAM+OPERATION+%26+MAINTENANCE+CERTIFICATION+TERHADAP+PENINGKATAN+KINERJA+OPERATOR+DAN+TEKNISI+DI+PT.+CHEVRON+PASIFIC+INDONESIA+DURI&rft.inst=Sekolah+Tinggi+Teknologi+Dumai&rft.tpages=5&rft.date=29+August+2011&rft.degree=Other