Dr. Mohammed Al-Sairafi's 'The Quantitative Method in Project Planning' offers a comprehensive exploration of applying quantitative analysis to project management. This academic work meticulously details methodologies such as network analysis (PERT/CPM), forecasting, and linear programming to optimize project outcomes. It serves as an essential reference for students and professionals in engineering, business administration, and management, providing them with the necessary tools to plan, schedule, and control complex projects effectively. The book bridges theoretical foundations with practical applications, making it an indispensable resource for data-driven decision-making in project environments.