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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://www.ircwash.org/sites/default/files/827-CO89-6434.pdf.

Published on: 29/12/2004

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://www.ircwash.org/sites/default/files/202.5-89MA-6435.pdf.

Published on: 01/01/1970

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