Património Mundial 2009-2010 / UNESCO- United Nations Educational Scientific and Cultural Organizations
COTA(S): 13652; 13652.a
Sustainable development- education, the force of change / UNESCO
COTA(S): 13790
Turismo e património mundial: seleção de abordagens e experiências de gestão em sítios do património mundial de origem e influência portuguesa (TOUR-WHPO) / Turismo de Portugal, I.P., UNESCO World Heritage Centre
COTA(S): 14267
Voyages a l'etranger : Formalités de fronteires et facilites spéciales pour les voyages à but éducatif / UNESCO
COTA(S): 320
4.0 Natural and Cultural Heritage Values of the Angkor World Heritage Area
COTA(S): 19932
Local identity and tourism management on World Heritage Sites : 5th UNESCO UNITWIN Conference 18 - 22 April, Coimbra / Universidade de Coimbra, UNESCO
COTA(S): 19955
Challenges and responsabilities for a planet in transition : Proccedings of the World Humanities Conference, Liège, Belgium, 6-11 August, 2017. / CIPSH e UNESCO
COTA(S): 20118
Vacations abroad
COTA(S): 1616