Muthia Ashifa2026-06-022026-06-022009https://203.71.86.71/handle/123456789/40820application/pdfen-US資訊處2009年APACPH研討會論文集Identifying Determine Factors Related to Unsafe Act/Substandard Practices at Rig Process, in X Company, Pekanbaru, Riau, Indonesia, 2009conference