Howie, S. J. (2001). Mathematics and science performance in grade 8 in South Africa 1998/1999: TIMSS-R 1999 South Africa. Human Sciences Research Council.
Chicago Style (17th ed.) CitationHowie, Sarah J. Mathematics and Science Performance in Grade 8 in South Africa 1998/1999: TIMSS-R 1999 South Africa. Pretoria, SA: Human Sciences Research Council, 2001.
MLA citiranjeHowie, Sarah J. Mathematics and Science Performance in Grade 8 in South Africa 1998/1999: TIMSS-R 1999 South Africa. Human Sciences Research Council, 2001.
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