The book "Material Flow Analysis - Benefit sustainable management tool" offers a comprehensive analysis of nutrient flows in agriculture, particularly regarding the recycling of human waste for food production. It highlights the challenges and opportunities arising from the use of wastewater and excreta as a nutrient source, and illustrates the close connection between environmental remediation and agricultural activities. By applying Material Flow Analysis (MFA), it presents an innovative approach to promoting sustainable development in rural areas of Vietnam. This specialized book is particularly valuable for professionals involved in planning and implementing sustainable development strategies in resource-poor regions. It is the first successful example of applying MFA in the rural context of a developing country, making it an important resource for research and practice in sustainable management.