The Green Belt Workbook : A Step-by-Step Guide to Performance Excellence as a Six Sigma Green Belt / H. James Harrington / Frank Voehl / Praveen Gupta - الأولى - دبي : دار e-TQM College Publishing House ، 2007 600 ؛ صفحة 14 × 21 سم
978-9948-03-693-7
658.40
Six Sigma — Quality management — Process improvement