2. data variables, such as guidelines for improving and developing tourism as its sustainability approach. Issues in the operation of the work unit and the impact of tourism on local communities and tourist attractions, etc.
The second variable data systems, such as ways to improve and develop tourism in its approach to sustainability. Problems in the operation of the agency. And the impact of tourism on local communities and the tourism and so on.
.2 variable data into the system, such as the guideline in the improvement and development of travel to in the house of sustainability. Problems in operation of units.And so on.