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United Nations Environment Programme ,  [Factsheets on Sustainable Public Procurement in National Governments: Supplement to the Global Review of Sustainable Public Procurement 2017] ,  [2017 Global Review of Sustainable Public Procurement] ,  2017 Global Review of Sustainable Public Procurement

United Nations Environment Programme ,  [Quarterly Report to the 144th Meeting of the Committee of Permanent Representatives: Third Issue - August to October 2018] ,  Quarterly Report to the 144th Meeting of the Committee of Permanent Representatives: Third Issue - August to October 2018

United Nations Environment Programme ,  International Resource Panel ,  [Eficiencia de los Recursos para el Desarrollo Sostenible: Mensajes Claves para el Grupo de los 20] ,  [Resource Efficiency for Sustainable Development: Key Messages for the Group of 20] ,  Resource Efficiency for Sustainable Development: Key Messages for the Group of 20

United Nations Environment Programme ,  International Resource Panel ,  [Global Material Flows and Resource Productivity: Assessment Report for the UNEP International Resource Panel] ,  Global Material Flows and Resource Productivity: Assessment Report for the UNEP International Resource Panel