Cebula, R. J. “Panel Data Analysis of the Impact of Economic Freedom As Well As Economic Conditions, The Quality of Life, and Public Education Spending on U.S. Undocumented Immigrant Settlement Patterns”. Quarterly Journal of Econometrics Research , vol. 2, no. 2, Nov. 2016, pp. 28-41, doi:10.18488/journal.88/2016.2.2/88.2.28.41.