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

2 Subjects: “...graph theory...”

3 Subjects: “...constructivism theory...”

4 Subjects: “...theory of constraint (TOC)...”

5 Subjects: “...critical theory...”

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

7 Subjects: “...thema EDItEUR::J Society and Social Sciences::JM Psychology::JMA Psychological theory, systems...”

8 Subjects: “...Kano-TRIZ design theory...”

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

10 Subjects: “...grounded theory...”