Pyle, D.F.

Kleinau, E. & Pyle, D.F., 2004. Assessing hygiene improvement : guidelines for household and community levels, (Strategic report / EHP no. 8) Arlington, VA, USA: Environmental Health Project (EHP). Available at: https://www.ircwash.org/sites/default/files/Kleinau-2004-Assessing.pdf.