Items where Author is "RUMA, STEFANUS DWIYANTORO"
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Thesis
RUMA, STEFANUS DWIYANTORO (2024) STUDI EFEKTIVITAS ALAT DOG LEG REAMER SEBAGAI SOLUSI LEDGES BOREHOLE PADA TRAYEK 12 ¼” SUMUR DIRECTIONAL DRILLING LAPANGAN “SDR”. Other thesis, UPN "Veteran" Yogyakarta.