1. Abdel-Raouf, F., & Buhler, P. (2021). The gender pay gap: Understanding the numbers. Routledge.
2. Acker, J. (1989). Doing comparable worth: Gender, class, and pay equity. Temple University Press.
3. American Association of University Women. (2018). The simple truth about the gender pay gap. Retrieved from https://files.eric.ed.gov/fulltext/ED596219.pdf.
4. American Association of University Women. (2020b). Gender pay gap by state. Retrieved from https://www.aauw.org/resources/article/gender-pay-gap-by-state/.A3
5. American Association of University Women. (2020a). The simple truth about the gender pay gap: 2020 update. Retrieved from https://www.aauw.org/app/uploads/2020/12/SimpleTruth_2.1.pdf.