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		Adikawid Sanjaya, I., & 		Sudarma Sumadi, I.
2018 Feb  8.  INSTRUMEN GUGATAN PERWAKILAN KELOMPOK (CLASS ACTION) DALAM UPAYA PENYELESAIAN SENGKETA KONSUMEN DI INDONESIA. Kertha Wicara : Journal Ilmu Hukum. [Online] :