Teaching Fractions without Numbers
作者:
Barbara Berman,
Fredda J. Friederwitzer,
期刊:
School Science and Mathematics
(WILEY Available online 1983)
卷期:
Volume 83,
issue 1
页码: 77-82
ISSN:0036-6803
年代: 1983
DOI:10.1111/j.1949-8594.1983.tb10093.x
出版商: Blackwell Publishing Ltd
数据来源: WILEY
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