European Comission - Enterprise and Industry | Tourism

http://ec.europa.eu/

ISMH – International Society of Medical Hidrology

http://www.ismh-direct.net/

WHO – World Health Organization

http://www.who.int/en/

UNWTO – World Tourism Organization

http://unwto.org/

ESIP – European Social Insurance Platform

http://www.esip.org/

World Water Day

http://www.worldwaterday.org/

ECCTA – The European Travel Agents and Tour Operators Association

http://www.ectaa.org/

DEKRA

http://www.dekra-certification.com/en/home