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henry w syer
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The Learning of Mathematics Its Theory and Practice
Howard F. Fehr, Maurice L. Hartung, Henry Van Engen, Henry W. Syer · National Council of Teachers of Math
374 sayfa · 1955
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Pupil-centered methods of teaching mathematics
Henry W. Syer, Harvard University. Graduate School of Education · Sine nomine
364 sayfa · 1950
Mathematics / Study and teaching (Secondary)