Melchior, S.

Melchior, S., 1989. Women, water and sanitation or counting tomatoes as well as pumps, (PROWWESS/UNDP technical series : involving women in water and sanitation : lessons, strategies, tools) New York, NY, USA: UNDP PROWWESS (Promotion of the Role of Women in Water Supply and Sanitation). Available at: https://es.ircwash.org/sites/default/files/205.1-89WO-6789.pdf.