The given document is a compilation of references from various sources, highlighting the significance of operational management in different contexts. It includes research papers on complexity and performance measurement for retail supply chains, leadership and management of public sector undertakings, and configuring last-mile delivery systems. Additionally, it covers topics like distributed leadership, bureaucracy, and system leadership in education. The document also touches upon lean manufacturing, kaizen, and the impact of just-in-time approaches on production system performance.