{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Pre-service elementary teachers' understanding of geometric similarity: the effect of dynamic geometry software.: An article from: Focus on Learning Problems in Mathematics","author_name":"Helen Gerretson","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0007URIJ4.html\">Pre-service elementary teachers&#039; understanding of geometric similarity: the effect of dynamic geometry software.: An article from: Focus on Learning Problems in Mathematics</a>","width":400,"height":300}