Items where Author is "Arif Helmi Kurniawan"
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Arif Helmi Kurniawan (2021) ANALISISAGRADASI DAN DEGRADASI PERMUKAAN DASAR SUNGAI PROGO AKIBAT PENAMBANGAN PASIR ( STUDI KASUS PIAS JEMBATAN SRANDAKAN - MUARA SUNGAI PROGO ). S1 thesis, Universitas Muhammadiyah Yogyakarta.