The lean six sigma pocket toolbook : a quick reference guide to nearly 100 tools for improving process quality, speed, and complexity / Michael L. George ... [et al.].
Using DMAIC to improve speed, quality, and cost -- Working with ideas -- Value stream mapping and process flow tools -- Voice of the customer (VOC) -- Data collection -- Descriptive statistics and displays -- Variation analysis -- Identifying and verifying causes -- Reducing lead time and non-value-add cost -- Complexity value stream mapping and complexity analysis -- Selecting and testing solutions.