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Dyfyniad Arddull ChicagoNational Research Council (U.S.). Committee on Population, Workshop on Leveraging Longitudinal Data in Developing Countries, Valerie L. Durrant, and Jane Menken. Leveraging Longitudinal Data in Developing Countries: Report of a Workshop. Washington, D.C.: National Academy Press, 2002.
Dyfyniad MLANational Research Council (U.S.). Committee on Population, et al. Leveraging Longitudinal Data in Developing Countries: Report of a Workshop. National Academy Press, 2002.