HP Gauff -Dar es Salaam, TZ

Tanzania. Ministry of Lands, Water, Housing and Urban Development -TZ & Salaam, T.Z.H.P.Gauff -, 1983. Low cost sanitation pilot project : permanent emptyable ventilated improved pit latrine. Volume III. Drawings, Dar es Salaam, Tanzania: HP Gauff GmbH & Co. Consulting Engineers. Available at: http://fr.ircwash.org/sites/default/files/321.4-83LO-19221.pdf.