Biblio

J. Pinfold, “A hygiene intervention designed to reduce the incidence of diarrhoeal disease in rural northeast Thailand”. University of Leeds, Department of Civil Engineering, Leeds, UK, p. x p.: 1 fig., 3 tab., 1993.

D. D. Mara, Pinfold, J., and Hubley, J., “A hygiene intervention study in rural north-east Thailand”, Waterlines, an international journal of water, sanitation and waste, pp. p. 9-12: 4 fig., ill., photogr., 1991.

J. Pinfold and Horan, N., “Water use and patterns of contamination in rural north-east Thailand”, Waterlines, an international journal of water, sanitation and waste, pp. p. 27-30: 3 fig., photogr., 1991.