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Items where Author is "Ringo, Doly Arta Frido Siringo"
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Ringo, Doly Arta Frido Siringo (2022) Akibat Hukum Wanprestasi Perjanjian Jual Beli Dibawah Tangan (Studi Kasus Tanah Kavling Di Jalan Simpang Pir Kecamatan Tandun Rokan Hulu). Other thesis, Universitas Islam Riau.