International study of achievement in mathematics: A comparison of twelve countries, 2 V
Husen Torsten Ed.
International study of achievement in mathematics: A comparison of twelve countries, 2 V - Stockholm Almqvist and Wiksell 1967
International project for the evaluation of educational achievement (IEA)- Phase 1
Textual
International study of achievement in mathematics: A comparison of twelve countries, 2 V - Stockholm Almqvist and Wiksell 1967
International project for the evaluation of educational achievement (IEA)- Phase 1
Textual
