1 Subjects: “...legitimacy theory...”

2 Subjects: “...rough set theory...”

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

4 Subjects: “...information theory...”

5 Subjects: “...extreme value theory...”

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

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

8 Subjects: “...game theory...”

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

10 Subjects: “...grounded theory...”

11 Subjects: “...grounded theory...”