“…In this approach, the sectors and factors affecting tourism, such as tourists, host society, related organizations and companies, environment, and so on, can be examined in a sustainable manner. In other words, the systematic approach depicts the reality, foundation and basis of tourism as a coherent whole plus the relationship between the components and elements of the tourism supply side sector, including attractions, transportation, accommodation units, services, organizations with demand side (Nematpour, Khodadadi, et al, 2022).…”