{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Ratio and Proportion: Research and Teaching in Mathematics Teachers' Education (Pre- and In-Service Mathematics Teachers of Elementary and Middle School Classes)","author_name":"David Ben-Chaim, Yaffa Keret, Bat-Sheva Ilany","thumbnail_url":"https://www.ebooknetworking.net/books/946/091/big9460917828.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-9460917828.html\">Ratio and Proportion: Research and Teaching in Mathematics Teachers&#039; Education (Pre- and In-Service Mathematics Teachers of Elementary and Middle School Classes)</a>","width":400,"height":300}