Rota dos cafés com História de Portugal : Uma rede de histórias com sabor a café / Vitor Marques
Contribution of Islamic Culture and its Impact on the Asian Tourism Market / World Tourism Organization (UNWTO)
UNWTO Gastronomy network : Action Plan 2016/2017 / OMT
Global Report on the power of youth travel : Affiliate members report: volume thirteen / World Tourism Organization (UNWTO)