1 Subjects: “...social network analysis...”

2 Subjects: “...social network...”

3 Subjects: “...social network analysis...”

4 Subjects: “...social network analysis...”

5 Subjects: “...social network analysis...”

6 Subjects: “...social network...”

7 “... out their innovative ideas, benefit from access to Western literature, and develop social networks...”

8 “..., international research team collaboration for sustainability, nature conservation communication in social...”