1. Cost of living data series. Missouri Economic Research and Information Center.https://meric.mo.gov/data/cost-living-data-series. Accessed August 16 2019.
2. Complete list of common nursing certifications. Nurse.org.https://nurse.org/articles/nursing-certifications-credentials-list/. Accessed August 19 2019.
3. The simple truth about the gender pay gap. Fall 2018 edition. American Association of University Women.https://www.aauw.org/aauw_check/pdf_download/show_pdf.php?file=simple-truth-one-pager. Accessed August 22 2019.