Sixta, J., & Šafr, K. Productive Population and Czech Economy by 2060.
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Citação norma Chicago
Sixta, Jaroslav, and Karel Šafr. Productive Population and Czech Economy by 2060.
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Citação norma MLA
Sixta, Jaroslav, and Karel Šafr. Productive Population and Czech Economy by 2060.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.