APA aipamena

Husnn, T. (1967). International study of achievement in mathematics: A comparison of twelve countries QA. Wiley.

Chicago Style aipamena

Husnn, Torsten. International Study of Achievement in Mathematics: A Comparison of Twelve Countries QA. Stockholm: Wiley, 1967.

MLA aipamena

Husnn, Torsten. International Study of Achievement in Mathematics: A Comparison of Twelve Countries QA. Wiley, 1967.

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