Items where Author is "WILDAN SUPARJO SIREGAR"

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WILDAN SUPARJO SIREGAR (2018) DAMPAK PENAMBANGAN BAHAN GALIAN GOLONGAN C PASIR TERHADAP LINGKUNGAN SOSIAL DESA SEI BAMBAN KECAMATAN BATANG SERANGAN KABUPATEN LANGKAT. Undergraduate thesis, UNIMED.

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