Horkheimer, Mary Foley and Diffor, John W. Educator's guide to free slidefilms. Randolph, Wisconsin: Educator's Progress Service, 1950. 128 p. $3.00

 

作者:

 

期刊: Science Education  （WILEY Available online 1951）
卷期: Volume 35, issue 1  

页码: 56-56

 

ISSN:0036-8326

 

年代: 1951

 

DOI:10.1002/sce.3730350122

 

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

 

数据来源: WILEY

 

 

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