EricksonW.LeeC.von SchraderS. (2020). Disability status report: United States (p. 2018). Cornell University Yang-Tan Institute on Employment and Disability. https://www.disabilitystatistics.org/
2.
KirchnerC.PetersonR. (1980). Worktime, occupational status, and annual earnings: An assessment of underemployment. Journal of Visual Impairment & Blindness, 74(5), 203–205. https://doi.org/10.1177/0145482X8007400511
3.
KirchnerC.SchmeidlerE.TodorovA. (1999). Looking at employment through a lifespan telescope: Age, health, and employment status of people with serious visual impairment. Rehabilitation Research and Training Center on Blindness and Low Vision.