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1
Item readability and science achievement in TIMSS 2003 in S..:
Copies:
Zentrale:E03 z pae 638 j/090; Zentrale:Magazin Zs fe 1901
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2
Cross-national achievement studies: learning from South Afr..:
Copies:
Zentrale:E03 z pae 229 j/286; Zentrale:Magazin Zs fe 3286