Moreover, the question of what is sustained for whom is often difficult to clarify (Mowforth and Munt, 2015, Hall et al., Since there is no single and generally accepted definition of sustainable tourism development, the concept is often reduced to rhetorical use (Gossling et al., On the other hand, tourism companies often find it difficult to incorporate sustainability in theiroperations duetoa lack of specific tools, standardsand methods (Ruhanen, 2008, Lew, Ng, Ni, and Wu, 2016).