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[For a comprehensive online treatment of the Virginia credit program, see: "Archived copy"(PDF). Archived from the original(PDF) on 2011-07-24. Retrieved 2011-04-05.{{cite web}}: CS1 maint: archived copy as title (link)]
[For a comprehensive online treatment of the Virginia credit program, see: "Archived copy"(PDF). Archived from the original(PDF) on 2011-07-24. Retrieved 2011-04-05.{{cite web}}: CS1 maint: archived copy as title (link)]