World Heritage Angkor and beyond [Gottingen Studies in Cultural Property, Vol 2] : Circumstances and implications of UNESCO listings in Cambodia / Brogitta Hauser-Schaublin (ed.)
Portugal Country Risk Report [Q1; Q2; Q3; Q4/ 2017 Q1/2018] : Includes 10-year forecasts to 2025 / BMI Research
Contribution of Islamic Culture and its Impact on the Asian Tourism Market / World Tourism Organization (UNWTO)
Annual report on Asia tourism trends / OMT, ETC