1. New evidence on the returns to job skills;K G Abraham;American Economic Review,2009
2. Last accessed April 10;Source: DANB official website,2019
3. Expanded functions for auxiliaries-an evaluation;E M Campbell;The Dentist and The Assistant,1977
4. Universal screening increases the representation of low-income and minority students in gifted education;D Card;Proceedings of the National Academy of Sciences,2016
5. The gender gap in funeral directors: Burying women with ready-to-embalm laws?;A Cathles;British Journal of Industrial Relations,2010