Council for elementary science international. In collaboration with ASCD hotel shoreman, Washington, D. C. Saturday, March 5, 1960

 

作者:

 

期刊: Science Education  （WILEY Available online 1961）
卷期: Volume 45, issue 1  

页码: 13-14

 

ISSN:0036-8326

 

年代: 1961

 

DOI:10.1002/sce.3730450106

 

出版商: Wiley Subscription Services, Inc., A Wiley Company

 

数据来源: WILEY

 

 

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