Tourism at World Heritage Sites – Challenges and Opportunities. : International tourism seminar, Çesme (Izmir), Turkey, 26 March 2013 / OMT
I Congreso Internacional Patrimonio religioso y turismo: tipos, tendencias y desafíos / UNWTO
First UNWTO International conference on spiritual tourism for sustainable development / World Tourism Organisation
The Decision-making Process of Meetings, Congresses, Conventions and Incentives Organizers / OMT, ETC