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		Alvian Prasetya Putera, A., & 		Budi Arsika, I.
2014 Jun  4.  PERLINDUNGAN HUKUM BAGI INVENTOR PICK UP GITAR ELEKTRIK DAN SANKSI TERHADAP PENDUPLIKASIAN INVENSINYA. Kertha Semaya : Journal Ilmu Hukum. [Online] :