Biblio

U. J. Blumenthal, Manderson, L., and Almedom, A. M., Hygiene evaluation procedures : approaches and methods for assessing water- and sanitation-related hygiene practices. Boston, MA, USA: International Nutrition Foundation for Developing Countries, 1997, p. iv, 122 p. : 25 boxes, 6 fig., 3 pl., 4 tab.

U. J. Blumenthal, Manderson, L., and Almedom, A. M., Procedimientos para la evaluacion de la hygiene : enfoques y metodos para evaluar practicas de higiene relacionadas con el agua y saneamiento. Boston, MA, USA: International Nutrition Foundation for Developing Countries, 1997, p. v, 124 p. : 25 boxes, 6 fig., 3 pl., 4 tab.

S. Dawson, Manderson, L., and Tallo, V. L., “The focus group manual”, vol. no. 1. World Health Organization (WHO), Geneva, Switzerland, p. 73 p.: 9 box, 1992.