International study of achievement in mathematics
Subtitle: a comparison of twelve countries
By: edited by Torsten Husen et al.
Contributors: Husén, Torsten, 1916-; International Project for the Evaluation of Educational Achievement.
Place of publication: New York
Subjects: Comparative education.; Mathematical ability.; Mathematics -- Study and teaching (Secondary)
Notes: At head of title: International project for the evaluation of Educational Achievement (IEA), Phase 1.

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