1 Subjects: “..., engineering and technology;Feminism and feminist theory;Gender studies, gender groups...”

2 Subjects: “...knowledge network theory...”

3 Subjects: “... Social theory...”

4 Subjects: “...invasion theory...”

5 Subjects: “...critical theory...”

6 Subjects: “...Theory...”

7 Subjects: “...play theory...”

8 Subjects: “...: epistemology and theory of knowledge...”

9 Subjects: “...learning theories...”

10 Subjects: “...evolutionary game theory...”

11 Subjects: “...landscape theory...”

12 Subjects: “...theory of planned behavior...”

13 Subjects: “...theories of retirement...”

14 Subjects: “...consumer culture theory...”

15 Subjects: “...theories of retirement...”

16 Subjects: “...niche theory...”

17 Subjects: “...stakeholder theory...”

18 Subjects: “...game theory...”

19 Subjects: “...protection motivation theory...”