Williams, J. D. (1971). Teaching technique in primary maths. National Foundation for Educational Research in England and Wales.
Chicago-Zitierstil (17. Ausg.)Williams, John D. Teaching Technique in Primary Maths. London: National Foundation for Educational Research in England and Wales, 1971.
MLA-Zitierstil (9. Ausg.)Williams, John D. Teaching Technique in Primary Maths. National Foundation for Educational Research in England and Wales, 1971.
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