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Georgia. University System of Georgia. Board of Regents. Office of Strategic Research and Analysis (2003-12). Research notes [Dec. 2003C]. Retrieved from https://dlg.galileo.usg.edu/do:dlg_ggpd_i-ga-bu500-pr4-bp1-br4-b2003-s12c-belec-p-btext

Georgia. University System of Georgia. Board of Regents. Office of Strategic Research and Analysis. "Research notes [Dec. 2003C]." 2003-12. July 29, 2025. https://dlg.galileo.usg.edu/do:dlg_ggpd_i-ga-bu500-pr4-bp1-br4-b2003-s12c-belec-p-btext.