Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'Third International Mathematics and Science Study-Repeat (TIMSS-R)', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    English language proficiency and contextual factors influencing mathematics achievement of secondary school pupils in South Africa. gan Howie, Sarah

    Cyhoeddwyd 2002
    Llyfr

    English language proficiency and contextual factors influencing mathematics achievement of secondary school pupils in South Africa.
  2. 2

    Mathematics and science performance in grade 8 in South Africa 1998/1999 TIMSS-R 1999 South Africa gan Howie, Sarah J.

    Cyhoeddwyd 2001
    Llyfr

    Mathematics and science performance in grade 8 in South Africa 1998/1999 TIMSS-R 1999 South Africa

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