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Adi Winatha, Mahendra, I G.A.K. Diafari Djuni H., & Pande Ketut Sudiarta.
" ANALISIS PENGARUH PERUBAHAN CODEC TERHADAP QUALITY OF SERVICE VOIP PADA JARINGAN UMTS." <em>Jurnal SPEKTRUM</em> [Online], 1.1 (2014): 72-78. Web. 28 Aug. 2026