Ton natalite

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Ale nan: Navigasyon, Fouye

Ton natalite se yon kantite nesans vivan pou chak 1000 moun nan yon ane konsidere.[1]

Referans [edite]

  1. ↑ http://www.glencoe.com/sec/science/mlg/hss/Creole_hs_B.pdf
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