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United Nations Environment Programme[Workbook for Training in Adopting, Applying and Operating Environmentally Sound Technologies (ESTS) – Regional Workshop]Workbook for Training in Adopting, Applying and Operating Environmentally Sound Technologies (ESTS) – Regional Workshop

United Nations Environment Programme[Community-based Environmental Education in Asia-Pacific: Proceedings from a Regional Workshop]Community-based Environmental Education in Asia-Pacific: Proceedings from a Regional Workshop

United Nations Environment ProgrammeInstitute of Water Management of the Ministry of Environmental Protection and Water Management of the German Democratic Republic[Eutrosym ‘76: Proceedings the International Symposium on Eutrophication and Rehabilitation of Surface Water - Vol. II]Eutrosym ‘76: Proceedings the International Symposium on Eutrophication and Rehabilitation of Surface Water - Vol. II

United Nations Environment ProgrammeInternational Lake Environment Committee Foundation (ILEC)[International Shiga Forum on Technology for Water Management in the 21st Century - Proceedings]International Shiga Forum on Technology for Water Management in the 21st Century - Proceedings

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