1 Subjects: “...Information Theory...”

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

3 Subjects: “...History: theory and methods / bicssc...”

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

5 Subjects: “...theory of development...”

6 Subjects: “...theories...”

7 Subjects: “...systems theory...”

8 Subjects: “...::DSA Literary theory...”

9 Subjects: “...contingency theory...”

10 Subjects: “...stakeholder theory...”

11 Subjects: “...information theory...”

12 Subjects: “...fuzzy set theory...”

13 Subjects: “...critical theory...”

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