National Council of Teachers of Mathematics & Hirsch, C. R. (1986). Activities for implementing curricular themes from the Agenda for action: Selections from the Mathematics Teacher. National Council of Teachers of Mathematics.
Citace podle Chicago (17th ed.)National Council of Teachers of Mathematics a Christian R. Hirsch. Activities for Implementing Curricular Themes from the Agenda for Action: Selections from the Mathematics Teacher. Reston, VA: National Council of Teachers of Mathematics, 1986.
Citace podle MLA (9th ed.)National Council of Teachers of Mathematics a Christian R. Hirsch. Activities for Implementing Curricular Themes from the Agenda for Action: Selections from the Mathematics Teacher. National Council of Teachers of Mathematics, 1986.
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