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Ortega, A

Rybczynski, W. & Ortega, A., 1978. Stop the five gallon flush ! : a survey of alternative waste disposal systems 4th ed.th ed., Montreal, Que, Canada: McGill University, Minimum Cost Housing Group. Available at: https://www.ircwash.org/sites/default/files/320-78ST.pdf.

Published on: 14/05/2008

Ortega, A. & Lefebvre, B., 1977. Water saving devices for sanitation in deserts, Abu Dhabi: United Nations Mission on Housing, Building and Planning to the United Arab Emirates -Abu Dhabi, AE. Available at: https://www.ircwash.org/sites/default/files/321.2-WA.pdf.

Published on: 05/05/2008

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