1 Subjects: “...decoupling theory...”

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

3 Subjects: “...landscape theory...”

4 Subjects: “...graph theory...”

5 Subjects: “...ecological theory...”

6 Subjects: “...Kinetic theory...”

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

8 Subjects: “...information gap decision theory (IGDT)...”

9 Subjects: “...theory...”

10 Subjects: “...niche theory...”

11 Subjects: “...extreme value theory...”

12 Subjects: “...rough set theory...”

13 Subjects: “...evidence theory...”

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

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