Sirageldin . Ismail. (2002). Human Capital population Economics in the Middle East. The American University cairo.
Chicago-čujuhus (17. p.)Sirageldin . Ismail. Human Capital Population Economics in the Middle East. cairo: The American University cairo, 2002.
MLA-čujuhus (9. p.)Sirageldin . Ismail. Human Capital Population Economics in the Middle East. The American University cairo, 2002.
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