This assignment provides a comprehensive analysis of Small and Medium Enterprises (SMEs), including their impact on small and medium enterprises in Mexico, external knowledge sourcing strategies, lean manufacturing implementation, business intelligence for order fulfillment management, commitment to sustainability, critical success factors for Lean Six Sigma, and profitability of SMEs firms listed in Indonesia Stock Exchange. The assignment also explores the relationships between managers' entrepreneurial perception and internationalization speed in SMEs, cash flow management and sustainability, local product brand image, and human resource management and organizational performance of SMEs in Nigeria.