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Social Security Number Holders in the United States, 1909-2019
Currently, a social security number (SSN) is held by almost every legal resident of the United States and works as an important numbering system. However, this was not the case in the early years of the Social Security program and historical changes in SSN holder rates had not been examined sufficie...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Frontiers Media S.A.
2021
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8712929/ https://www.ncbi.nlm.nih.gov/pubmed/34970643 http://dx.doi.org/10.3389/fdata.2021.802256 |