Biblio

M. Wills-Gonzalez, «Environmental sanitation and domestic use of water in three communes of Vietnam». UNICEF, Hanoi, Viet Nam, p. ca. 90 p.: tab., 1987.

M. G. McGarry, «Low-cost alternatives to sewerage», in Water supply and sanitation in developing countries, 1982, pp. P. 143-156 : 7 fig.

J. M. Kalbermatten, Julius, D. S., Mara, D. D., y Gunnerson, C. G., «Appropriate technology for water supply and sanitation : a planner's guide», vol. no. 2. World Bank, Washington, DC, USA, p. 194 p. : 48 fig., 12 tab., 1980.

A. M. Wright, «Report on international technical advisory group meeting on rural latrines : Kumasi, Ghana, 12th-15th July 1977». Kwame Nkrumah University of Science and Technology, Kumasi, Ghana, p. v, 81 p.: fig., tab., 1977.