Kvaliteet ja tootearendusHindreus, TiitRajades 21. sajandit : rahvusvaheline kvaliteedikonverents 15.-17. novembril 2000 Tallinnas = Building the 21st Century : International Quality Conference on November 15-17, 2000 in Tallinn2000 / lk. 37-49, 233-246 : ill Six Sigma : some links between process variability reduction and performance measurementTammaru, Tiia; Kiitam, AndresRajades 21. sajandit : rahvusvaheline kvaliteedikonverents 15.-17. novembril 2000 Tallinnas = Building the 21st Century : International Quality Conference on November 15-17, 2000 in Tallinn2000 / lk. 213-216