1 Subjects: “...social theory...”

2 Subjects: “...Systems theory...”

3 Subjects: “...Theory of art...”

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

5 Subjects: “...Theory of Inventive Problem Solving...”

6 Subjects: “...rough set theory...”

7 Subjects: “...run theory...”

8 Subjects: “...panarchy theory...”

9 Subjects: “...Theory of Planned Behavior...”

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

11 Subjects: “...constructivism theory...”

12 Subjects: “...game theory...”

13 Subjects: “...information theory...”

14 Subjects: “...density functional theory(DFT) calculations...”

15 Subjects: “...chaos theory...”

16 Subjects: “...theory...”

17 Subjects: “...game theory...”

18 Subjects: “...applied queueing theory...”

19 Subjects: “...freestream theory...”

20 Subjects: “...freestream theory...”