Sustainable Tourism Supply Chain Assessment Using Hybrid Decision-Making Methods under Fuzzy Uncertainty

Table 3

Questionnaire on service quality of environmental planning venues.

Survey objects	Government supervisors	Venue administrator	Venue staff	Tourist
Issuing questionnaires (copies)	350	200	300	300
Collecting valid documents (copies)	332	112	235	240
Effective recovery rate (%)	94.85	56.00	78.33	80.00