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Training local construction workers how to plant Vetiver Grass slips in the Horizontal Sub-Surface Flow Constructed Wetland for wastewater treatment, at the Catholic aviation program in Wamena, Papua, May 2013. [Papua Wamena 2013-05 043 Indonesia]
PapuaWamena2013043IndonesiaAsiaDevelopmentEnvironmentNew GuineaSanitationSustainability
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