National Council of Teachers of Mathematics & Rosskopf, M. F. (1970). The Teaching of secondary school mathematics. National Council of Teachers of Mathematics.
Citace podle Chicago (17th ed.)National Council of Teachers of Mathematics a Myron Frederick Rosskopf. The Teaching of Secondary School Mathematics. Reston, Va: National Council of Teachers of Mathematics, 1970.
Citace podle MLA (8th ed.)National Council of Teachers of Mathematics a Myron Frederick Rosskopf. The Teaching of Secondary School Mathematics. National Council of Teachers of Mathematics, 1970.
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