1 Subjects: “...information theory...”

2 Subjects: “...critical theory...”

3 Subjects: “...legitimacy theory...”

4 Subjects: “...Philosophy: epistemology and theory of knowledge / bicssc...”

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

6 Subjects: “...game theory...”

7 Subjects: “... and theory...”

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

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

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

11 Subjects: “...fluctuation theory...”

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

13 Subjects: “...game theory...”

14 Subjects: “...grounded theory...”

15 Subjects: “...actor-network theory...”

16 Subjects: “...critical theory...”

17 Subjects: “...,Image theory,Salon dʼAutomne,Russian Empire,Second Post War Period,Sixteenth-century Italian art...”

18 Subjects: “...grounded theory...”

19 Subjects: “...grounded theory...”

20 Subjects: “...polyomino tiling theory...”