Analisis yuridis sengketa perlindungan konsumen jasa telekomunikasi melalui penyelesaian sengketa di luar pengadilan menurut hukum perlindungan konsumen : studi kasus penetapan BPSK No. 269/K/BPSK-DKI/III/2010 antara Taufan Oktora Punu melawan PT. Excelcomindo Pratama Tbk. = Jurisdiction analysis of resolving conflict regarding protection of telecommunication service consumer outside of court based on the consumer protection law : case study BPSK statue No. 269/K/BPSK-DKI/III/2010 Taufan Oktora Punu vs PT. Exelcomindo Pratama Tbk (Fakultas Hukum Universitas Indonesia, 2011)