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United Nations Environment Programme ,  IUCN – The World Conservation Union ,  World Tourism Organization (WTO) ,  [Sustainable tourism in protected areas: guidelines for planning and management] ,  Sustainable tourism in protected areas: guidelines for planning and management

United Nations Environment Programme ,  [Green meeting guide 2009: roll out the green carpet for your participants] ,  Green meeting guide 2009: roll out the green carpet for your participants

Dagvadorj, D. ,  Natsagdorj, L. ,  Dorjpurev, J. ,  Namkhainyam, B. ,  [Assessment report on climate change, Mongolia] ,  Assessment report on climate change, Mongolia

United Nations Environment Programme ,  [State of the Marine Environment in the Black Sea Region -Regional seas reports and studies no. 124] ,  State of the Marine Environment in the Black Sea Region -Regional seas reports and studies no. 124

United Nations Environment Programme ,  [Beijing 2008 Olympic Games: an environmental review] ,  Beijing 2008 Olympic Games: an environmental review

Bosnia and Herzegovina. Ministry of Foreign Trade and Economic Relations ,  [State of the environment report of Bosnia and Herzegovina 2012] ,  State of the environment report of Bosnia and Herzegovina 2012

United Nations Environment Programme ,  [Global Mercury Assessment 2013: Sources, emissions, releases, and environmental transport] ,  Global Mercury Assessment 2013: Sources, emissions, releases, and environmental transport

United Nations Environment Programme ,  [Promoting resource efficiency in small and medium sized enterprises: industrial training handbook] ,  Promoting resource efficiency in small and medium sized enterprises: industrial training handbook

Colette W., Michelle, T., Edmund G., Tries, R. ,  [From ocean to aquarium: the global trade in marine ornamental species] ,  From ocean to aquarium: the global trade in marine ornamental species

United Nations Environment Programme ,  United Nations Educational Scientific and Cultural Organization ,  World Health Organization (WHO) ,  [Water quality assessments: a guide to the use of biota, sediments and water in ecosystems] ,  Water quality assessments: a guide to the use of biota, sediments and water in ecosystems