1 Subjects: “...regional differences...”

2 Subjects: “...regional differences...”

3 Subjects: “...regional differences...”

4 Subjects: “...regional difference...”

5 Subjects: “...gender differences...”

6 Subjects: “...difference...”

7 Subjects: “...regional differences...”

8 Subjects: “...regional differences...”

9 Subjects: “...difference-in-differences...”

10 Subjects: “...normalized difference vegetation index (NDVI)...”

11 Subjects: “...ecotourism, people with different stakeholders...”

12 Subjects: “...finite difference approximation...”