McMahon, Glenda Chatterton, Ken Handwashing 03 Handwashing 03 WEDC;Hygiene;Handwashing;Technical;Diagram;International and Development Communication 2019-05-08
    https://repository.lboro.ac.uk/articles/figure/Handwashing_03/7908731
10.17028/rd.lboro.7908731.v1