Psacharopoulos, G. (1990). Why educational policies can fail: An overview of selected African experiences. World Bank.
Citace podle Chicago (17th ed.)Psacharopoulos, George. Why Educational Policies Can Fail: An Overview of Selected African Experiences. Washington: World Bank, 1990.
Citace podle MLA (9th ed.)Psacharopoulos, George. Why Educational Policies Can Fail: An Overview of Selected African Experiences. World Bank, 1990.
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