Tourism 2020 vision : Americas / World Tourism Organization
COTA(S): 8341-II
Tourism 2020 vision : Middle East / World Tourism Organization
COTA(S): 8341-V
Tourism 2020 vision : South Asia / World Tourism Organization
COTA(S): 8341-VI
Tourism 2020 vision : Africa / World Tourism Organization
COTA(S): 8341-I