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kelvin d gregory
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Cilt sonuçları
TIMSS 1999 technical report
Michael O. Martin, Kelvin D. Gregory, Steven E. Stemler, Third International Mathematics and Science Study, International Association for the Evaluation of Educational Achievement · International Study Center, Lynch School of Education, Boston College
Sayfa sayısı yok · 2000
Mathematics / Study and teaching / Evaluation / Mathematical ability / Testing