Devault, M. V. e. d. (1961). Improving mathematics programs: Trends and issues in the elementary school. Merrill.
Chicago Style (17. basım) AtıfDevault, M. Verde e d. Improving Mathematics Programs: Trends and Issues in the Elementary School. Columbus, Ohio: Merrill, 1961.
MLA (9th ed.) AtıfDevault, M. Verde e d. Improving Mathematics Programs: Trends and Issues in the Elementary School. Merrill, 1961.
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