1. Introduction to Measurement Theory;Allen,1979
2. Mothers beliefs about the role of ability and effort in school learning;Ames;J. Educ. Psychol.,1987
3. Social Choice and Individual Values;Arrow,2012
4. A comparison of six different scaling techniques;Bartlett;J. Soc. Psychol.,1960
5. Discrete Multivariate Analysis: Theory And Practice;Bishop,1975