📕 Source : OXFAM© -TB-Handwashing briefing paper.

 **[<https://www.oxfamwash.org/hygiene/handwashing/Oxfam> Briefing Paper on Hand Washing Options, 2011.pdf](<https://www.oxfamwash.org/hygiene/handwashing/Oxfam%20Briefing%20Paper%20on%20Hand%20Washing%20Options,%202011.pdf>)**

https://www.oxfamwash.org/hygiene/handwashing/Oxfam Briefing Paper on Hand Washing Options, 2011.pdf

Source : OXFAM©