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EnglishTutorial.zip

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EnglishTutorial.zip

PERN is a panel of The International Union for the Scientific Study of Population (IUSSP) and a sustained partner of Future Earth | More About PERN | Contact

Technical support for PERN is provided by the NASA-funded Socioeconomic Data and Applications Center (SEDAC) at the Center for International Earth Science Information Network (CIESIN) of Columbia University.

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