{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"An Experiment in Three Approaches to Teaching Average to Elementary School Children.(Statistical Data Included): An article from: School Science and Mathematics","author_name":"John D. Baker, Raymond W. Beisel","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0008HP9YM.html\">An Experiment in Three Approaches to Teaching Average to Elementary School Children.(Statistical Data Included): An article from: School Science and Mathematics</a>","width":400,"height":300}