1. Actions Speak: The Study of Hygiene Behavior in Water and Sanitation Projects,1993
2. The epidemiology and control of hookworm infection in the Burma Valley area of Zimbabwe;Bradley;Transactions of the Royal Society of Tropical Medicine and Hygiene,1993
3. Evaluating measures to control intestinal parasitic infections;Bundy;World Health Statistics Quarterly,1992
4. Hygiene practices and intestinal helminth infections in thirty families in rural Thai Binh;Humphries,1996