The World Bank, & The International Bank for Reconstruction and Development. The handwashing handbook: A guide for developing a hygiene promotion program to increase handwashing with soap. Washington, DC 20433: The World Bank.
Trích dẫn kiểu ChicagoThe World Bank, và The International Bank for Reconstruction and Development. The Handwashing Handbook: A Guide for Developing a Hygiene Promotion Program to Increase Handwashing With Soap. Washington, DC 20433: The World Bank.
Trích dẫn MLAThe World Bank, và The International Bank for Reconstruction and Development. The Handwashing Handbook: A Guide for Developing a Hygiene Promotion Program to Increase Handwashing With Soap. Washington, DC 20433: The World Bank.
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