Abstract
<p><a href="http://www.emeraldinsight.com/action/doSearch?target=emerald&text1=Six+Sigma&field1=Keyword">Six Sigma</a>, <a href="http://www.emeraldinsight.com/action/doSearch?target=emerald&text1=DMAIC&field1=Keyword">DMAIC</a>, <a href="http://www.emeraldinsight.com/action/doSearch?target=emerald&text1=Lean+Pull+Replenishment&field1=Keyword">Lean Pull Replenishment</a>, <a href="http://www.emeraldinsight.com/action/doSearch?target=emerald&text1=Process+capability&field1=Keyword">Process capability</a>, <a href="http://www.emeraldinsight.com/action/doSearch?target=emerald&text1=Process+improvement&field1=Keyword">Process improvement</a>, <a href="http://www.emeraldinsight.com/action/doSearch?target=emerald&text1=Quality+assurance&field1=Keyword">Quality assurance</a>, <a href="http://www.emeraldinsight.com/action/doSearch?target=emerald&text1=Telecom&field1=Keyword">Telecom</a>, <a href="http://www.emeraldinsight.com/action/doSearch?target=emerald&text1=Customer+service&field1=Keyword">Customer service</a>, <a href="http://www.emeraldinsight.com/action/doSearch?target=emerald&text1=Customer+service+management&field1=Keyword">Customer service management</a></p>