Operations Research by Knowledge Flow is a comprehensive eBook that provides a clear and structured introduction to the fundamental concepts and techniques of operations research. Designed for students, professionals, and decision-makers, it covers key topics such as linear programming, transportation problems, network analysis, decision-making models, and simulation. With simplified explanations, illustrative examples, and practical case studies, this book equips readers with the analytical tools to optimize processes, minimize costs, and make data-driven decisions effectively. Whether for academic study or real-world application, Operations Research serves as a valuable resource for mastering quantitative analysis and strategic problem-solving in business and management.