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		Yuni Purnama Sari, A., & 		Putrawan, S.
2021 Feb 15.  PERLINDUNGAN HUKUM TERHADAP HAK KONSUMEN TRANSAKSI E-COMMERCE DALAM HAL TERJADINYA WANPRESTASI. Kertha Semaya : Journal Ilmu Hukum. [Online] 9:3