Harbison, R. W., & Hanushek, E. A. (1992). Educational performance of the poor.Lessons from rural northeast Brazil.
Chicago Style (17. basım) AtıfHarbison, Ralph W., ve Eric Alan Hanushek. Educational Performance of the Poor.Lessons from Rural Northeast Brazil. Washington, D.C.: IBRD, 1992.
MLA (9th ed.) AtıfHarbison, Ralph W., ve Eric Alan Hanushek. Educational Performance of the Poor.Lessons from Rural Northeast Brazil. 1992.
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