S. M. Vindigni, Riley, P. L., Jhung, M., and Emory University School of Medicine -Atlanta, GA, US. Regional Training Center for Family Planning,
“Systematic review : handwashing behaviour in low to middle income countries : outcome measures and behaviour maintenance”,
Tropical medicine and international health, pp. p. 466 - 477; 3 fig.; 1 tab., 2011.