Psacharopoulos, G. (1991). The economic impact of education: Lessons for policy makers. ICB Press.
Chicago Style (17. basım) AtıfPsacharopoulos, George. The Economic Impact of Education: Lessons for Policy Makers. San Francisco: ICB Press, 1991.
MLA (8th ed.) AtıfPsacharopoulos, George. The Economic Impact of Education: Lessons for Policy Makers. ICB Press, 1991.
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