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Occupational Safety and Health Manual 
Framework Concept for the Personnel Development in the Urban Water and Sanitation Sector in Yemen rapport - 2010 - 122 pp
Ed. GIZ - Sana'a MWE - Sana'a
Technical Secretariat Library Catalogue: Water Reports and Studies on Yemen 
catalogue - 2011 - 119 pp
Ed. GIZ - Sana'a

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