OECD. (1961). Synopses for modern secondary school mathematics. Organization for Economic Co-Operation and Development.
Tohutoru Kātū Chicago (17th ed.)OECD. Synopses for Modern Secondary School Mathematics. París: Organization for Economic Co-Operation and Development, 1961.
Tohutoro MLA (9th ed.)OECD. Synopses for Modern Secondary School Mathematics. Organization for Economic Co-Operation and Development, 1961.
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