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Citations

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1 Harmon, Maryellen, Teresa A Smith, Michael O Martin, Dana L Kelly, Albert E Beaton, Ina V Mullis, Eugenio J Gonzalez, and Graham Orpwood. Performance assessment in IEA's Third International Mathematics and Science Study (TIMSS). Chestnut Hill, MA: International Study Center, Boston College, 1997.
Copyright DataFirst, University of Cape Town