Theory of individual
- Theory of individualism
- Theory of individual psychology
- Theory of individual differences
- Theory of individual behavior managerial economics
- Theory of individualism in aging
- Theory of individualisation
- Theory of individual behavior
- Theory of individual deficiencies
- Theory of individualism and collectivism
- Theory of individual labour supply
- Theory of individual differences in psychology
- Theory of individualism jung
- Theory of individualization
- Theory of individual labor supply
- Theory of individual behaviour