About Le Truc Thi Phuong
About Graduate School of Regional Department Studies, Toyo University, Tokyo, Japan
About Aramaki Toshiya
About Faculty of Global and Regional Studies, Toyo University, Tokyo, Japan
About Journal of Water and Environment Technology (Web)
About Socialist Republic of Viet Nam
About benefit principle
About cost-effectiveness analysis
About sewerage
About sewage improvement
About consciousness investigation
About sewage treatment plant
About Ho Chi Minh City
About willingness to pay
About analysis (separation)
About lifeline
About improved wastewater services
About willingness to pay
About double-bounded questions
About Sewerage engineering and wastewater treatment in general
About ベトナム
About ホーチミン
About 下水道
About サービス
About 支払意思
About 要因