1 Subjects: “...Social theory / bicssc...”

2 Subjects: “...Theory of music & musicology / bicssc...”

3 Subjects: “...Philosophy & theory of education / bicssc...”

4 Subjects: “...Theory of art / bicssc...”

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

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

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

8 Subjects: “...System theory...”

9 Subjects: “...systems theory...”

10 Subjects: “...role theory...”

11 Subjects: “...trauma theory...”

12 Subjects: “...role theory...”

13 Subjects: “...partitioning theory...”

14 Subjects: “...grounded theory...”

15 Subjects: “...Unified Theory of Acceptance and Use of Technology...”

16 Subjects: “...grounded theory...”

17 Subjects: “...grounded theory...”