Global competition has undeniably helped organizations to improve quality integrated with all facets of products and services under their management system. Hence, Total Quality Management (TQM) has been recognized by various researchers as an imperative key to enhance business performance,...

Cover -- EDITORIAL ADVISORY BOARD -- Editorial -- Investigating the green impact of Lean, Six Sigma and Lean Six Sigma -- Maintaining sustainable performance in operating petroleum assets via a lean-six-sigma approach -- Lean Six Sigma and environmental sustainability: the case of a Norwegian...