Wijaya, I Made Sondra, and Dely Indah Sari. 2022. “QUALITY CONTROL OF OPTICAL FIBER DISRUPTION WITH BIG DATA USING THE SIX SIGMA METHOD”. JURTEKSI (jurnal Teknologi Dan Sistem Informasi) 8 (2), 125 -32. https://doi.org/10.33330/jurteksi.v8i2.1514.