Items where Author is "Riyanto, Selamat"
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Riyanto, Selamat (2020) Kajian Kualitas Airtanah Dangkal di Desa Sei Sentosa Kecamatan Panai Hulu Kabupaten Labuhan Batu. Undergraduate thesis, UNIMED.
Riyanto, Selamat (2020) Kajian Kualitas Airtanah Dangkal di Desa Sei Sentosa Kecamatan Panai Hulu Kabupaten Labuhan Batu. Undergraduate thesis, UNIMED.