1 Subjects: “...unified theory of acceptance and use of technology...”

2 Subjects: “...play theory...”

3 Subjects: “...,Gifts,Hybridity,Turkish,Mediterranean,diplomacy,Theory,Byzantine Constantinople,Architectural heritage...”

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

5 Subjects: “...axiomatic design theory (ADT)...”

6 Subjects: “...theory of social change, cultural evolution, and human development...”

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

8 Subjects: “...fuzzy theory...”

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

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

11 Subjects: “...network flow theory...”

12 Subjects: “...Keynesian theory...”

13 Subjects: “...ecological niche theory...”

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

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

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

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

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

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

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