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Hazenberg, M.
Hazenberg, M.
, 1989.
The application of a questionnaire-survey with community involvement in La Sirena and Los Mangos, Cali, Colombia
, Cali, Colombia: Universidad del Valle, Area de Abastecimiento y Remocion de Agua. Available at:
https://fr.ircwash.org/sites/default/files/827-CO89-6434.pdf
.
Publié le: 29/12/2004
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Hazenberg, M.
, 1989.
Manual for a questionnaire-survey with community involvement on existing water use and hygiene patterns
, The Hague, The Netherlands: IRC. Available at:
https://fr.ircwash.org/sites/default/files/202.5-89MA-6435.pdf
.
Publié le: 01/01/1970
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