Fourth, a perception study is one o

Fourth, a perception study is one of the most appropriate methods to assemble the different opinions of various stakeholders and to suggest average scores for their opinions. This implies that a perception study is a relatively easy mechanism to measure diverse opinions. There are numerous tourism indicators which are difficult to measure in numerical form. In this case, the level of perception or attitude of stakeholders can provide information to measure the quality of the indicators. Thus, where technical data are unobtainable, as an alternative, a perception study may be a useful tool for tourism sustainability assessment.