Geheimnisse der Statistik : die interessantesten Aspekte der Statistik

von Grima, Pere
Veröffentlicht 2019

Sustainable improvement: six sigma : lessons learned after five years of training and consulting

von Tort-Martorell, Xavier
Veröffentlicht in Corporate sustainability as a challenge for comprehensive management (2008)

Management by facts : the common ground between total quality management and evidence-based management

von Tort-Martorell, Xavier
Veröffentlicht in Total quality management & business excellence (2011)

Six sigma : hints from practice to overcome difficulties

Veröffentlicht in Total quality management & business excellence (2014)