Kreger, W.

Van, H. & Kreger, W., 1983. Latrine construction workshops Las Matas de Farfan, Dominican Republic : April 4-15, 1983, April 25-May 6, 1983, (Wash field report no. 93) Arlington, VA, USA: Water and Sanitation for Health Project (WASH). Available at: https://es.ircwash.org/sites/default/files/304-83LA-3215.pdf.