Grady, H.M.

Theis, J. & Grady, H.M., 1991. Participatory rapid appraisal for community development : a training manual based on experiences in the Middle East and North Africa, London, UK: International Institute for Environment and Development (IIED). Available at: https://es.ircwash.org/sites/default/files/IIED-1991-Participatory.pdf.