An investigation of the director or supervisor of science in the public schools

 

作者: Robert H. Carleton,  

 

期刊: Science Education  （WILEY Available online 1946）
卷期: Volume 30, issue 1  

页码: 11-19

 

ISSN:0036-8326

 

年代: 1946

 

DOI:10.1002/sce.3730300104

 

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

 

数据来源: WILEY

 

 

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