Jones, A.L.

Pashkevich, A. & Jones, A.L., 1984. A workshop on handpump installation and maintenance in Riobamba, Ecuador : 17-27, 1983, (Wash field report no. 110) Arlington, VA, USA: Water and Sanitation for Health Project (WASH). Available at: https://fr.ircwash.org/sites/default/files/232.2-84WO-921.pdf.