The identification and evaluation of principles of soil and water conservation for inclusion in the secondary school curriculum

 

作者: Harley F. Glidden,  

 

期刊: Science Education  （WILEY Available online 1956）
卷期: Volume 40, issue 1  

页码: 54-78

 

ISSN:0036-8326

 

年代: 1956

 

DOI:10.1002/sce.3730400105

 

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

 

数据来源: WILEY

 

 

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