Items where Author is "USMAN, ARIEF"
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USMAN, ARIEF (2015) KAJIAN RADIUS AMAN ALAT GALI MUAT TERHADAP FLYROCK PELEDAKAN PADA PIT 4500 BLOK 12 PT TRUBAINDO COAL MINING KUTAI BARAT KALIMANTAN TIMUR. Other thesis, UPN ''VETERAN'' YOGYAKARTA.