United States Agency for International Development. (1992). Barriers to entry study: Final report. SGV Consulting.
Chicago-viite (17. p.)United States Agency for International Development. Barriers to Entry Study: Final Report. Manila: SGV Consulting, 1992.
MLA-viite (9. p.)United States Agency for International Development. Barriers to Entry Study: Final Report. SGV Consulting, 1992.
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